Robert Schmidt, MD, PhD, MBA

Journal Article

1. Sharma A, Greene DN, Chambliss AB, Farnsworth CW, French D, Herman DS, Kavsak PA, Merrill AE, Margaret Lo SY, Lyon ME, Winston-McPherson G, Pearson LN, SoRelle JA, Waring AC, Schmidt RL (2021). The effect of the Covid-19 shutdown on glycemic testing and control. Clin Chim Acta, 519, 148-152.
2. Pearson LN, Johnson SA, Greene DN, Chambliss AB, Farnsworth CW, French D, Herman DS, Kavsak PA, Merrill AE, Lo SM, Lyon ME, SoRelle JA, Schmidt RL (2020). Side-Effects of COVID-19 on Patient Care: An INR Story. J Appl Lab Med, 6(4), 953-961.
3. Andrews AR, Kakadekar A, Schmidt RL, Murugan P, Greene DN (2021). Histologic Findings in Surgical Pathology Specimens From Individuals Taking Feminizing Hormone Therapy for the Purpose of Gender Transition: A Systematic Scoping Review. (Epub ahead of print) Arch Pathol Lab Med.
4. Pearson LN, Schmidt RL, Cahoon K, Pelt CE (2020). Reliability of Total Nucleated Cell Counts in the Setting of Hip Arthroplasty. J Appl Lab Med, 6(3), 679-687.
5. Corean J, White SK, Schmidt RL, Walker BS, Fisher MA, Metcalf RA (2020). The incremental benefit of anaerobic culture for controlling bacterial risk in platelets: a systematic review and meta-analysis. Vox Sang, 116(4), 397-404.
6. Crim J, Layfield LJ, Stensby JD, Schmidt RL (2021). Comparison of Radiographic and Pathologic Diagnosis of Osteonecrosis of the Femoral Head. AJR Am J Roentgenol, 216(4), 1014-1021.
7. Moore RA, Schmidt RL, Metcalf RA (2021). The impact of the sample time of secondary bacterial culture on the risk of exposure to contaminated platelet components: A mathematical analysis. Transfusion, 61(3), 873-882.
8. Tebo AE, Schmidt RL, Kadkhoda K, Peterson LK, Chan EKL, Fritzler MJ, Wener MH (2021). The antinuclear antibody HEp-2 indirect immunofluorescence assay: a survey of laboratory performance, pattern recognition and interpretation. Auto Immun Highlights, 12(1), 4.
9. Layfield LJ, Zhang T, Esebua M, Schmidt R (2020). Axillary lymph node metastasis: Fine-needle aspiration biopsy sensitivity as a function of node size, percent replacement of lymph node by tumor and tumor deposit size. Diagn Cytopathol, 49(2), 181-186.
10. Greene DN, Schmidt RL, Winston McPherson G, Rongitsch J, Imborek KL, Dickerson JA, Drees JC, Humble RM, Nisly N, Dole NJ, Dane SK, Frerichs J, Krasowski MD (2019). Reproductive Endocrinology Reference Intervals for Transgender Women on Stable Hormone Therapy. J Appl Lab Med, 6(1), 15-26.
11. Greene DN, Schmidt RL, Winston-McPherson G, Rongitsch J, Imborek KL, Dickerson JA, Drees JC, Humble RM, Nisly N, Dole NJ, Dane SK, Frerichs J, Krasowski MD (2020). Reproductive Endocrinology Reference Intervals for Transgender Men on Stable Hormone Therapy. J Appl Lab Med, 6(1), 41-50.
12. Lubin IM, Astles JR, Shahangian S, Madison B, Parry R, Schmidt RL, Rubinstein ML (2021). Bringing the clinical laboratory into the strategy to advance diagnostic excellence. (Epub ahead of print) Diagnosis (Berl).
13. Ardon O, Schmidt RL (2020). Clinical Laboratory Employees' Attitudes Toward Artificial Intelligence. Lab Med, 51(6), 649-654.
14. Johnson LM, White SK, Schmidt RL (2020). Are calprotectin and lactoferrin equivalent screening tests for inflammatory bowel disease? Clin Chim Acta, 510, 191-195.
15. Schmidt RL, Moore RA, Pearson LN (2020). The costs and benefits of cross-level quality control rules. Clin Chim Acta, 510, 697-702.
16. Greene DN, Jackson ML, Hillyard DR, Delgado JC, Schmidt RL (2020). Decreasing median age of COVID-19 cases in the United States-Changing epidemiology or changing surveillance? PLoS ONE, 15(10), e0240783.
17. Walker BS, White SK, Schmidt RL, Metcalf RA (2020). Residual bacterial detection rates after primary culture as determined by secondary culture and rapid testing in platelet components: A systematic review and meta-analysis. Transfusion, 60(9), 2029-2037.
18. Pearson LN, Moser KA, Schmidt RL (2020). D-Dimer Varies Widely Across Instrument Platforms and is Not a Reliable Indicator of Periprosthetic Joint Infections. Arthroplast Today, 6(4), 686-688.
19. Walker BS, Schmidt RL, Fisher MA, White SK, Blaylock RC, Metcalf RA (2020). The comparative safety of bacterial control strategies for apheresis components: A simulation study. . Transfusion, 68(8), 1723-1731.
20. White SK, Schmidt RL, Walker BS, Hanson KE (2020). (1→3)-β-D-glucan testing for the detection of invasive fungal infections in immunocompromised or critically ill people. Cochrane Database Syst Rev, 7, CD009833.
21. Layfield LJ, Crim JR, Oserowsky A, Schmidt RL (2019). Pathology Assessment of Femoral Head Resection Specimens: An Important Quality Assurance Procedure. Arch Pathol Lab Med, 144(5), 580-585.
22. White SK, Schmidt RL, Walker BS, Metcalf RA (2020). Bacterial contamination rate of platelet components by primary culture: a systematic review and meta-analysis. Transfusion, 60(5), 986-996.
23. Sirohi D, Schmidt RL, Aisner DL, Behdad A, Betz BL, Brown N, Coleman JF, Corless CL, Deftereos G, Ewalt MD, Fernandes H, Hsiao SJ, Mansukhani MM, Murray SS, Niu N, Ritterhouse LL, Suarez CJ, Tafe LJ, Thorson JA, Segal JP, Furtado LV (2019). Multi-Institutional Evaluation of Interrater Agreement of Variant Classification Based on the 2017 Association for Molecular Pathology, American Society of Clinical Oncology, and College of American Pathologists Standards and Guidelines for the Interpretation and Reporting of Sequence Variants in Cancer. J Mol Diagn, 22(2), 284-293.
24. Walker BS, Pearson LN, Schmidt RL (2019). An Analysis of Multirules for Monitoring Assay Quality Control. Lab Med, 51(1), 94-98.
25. Johnson LM, White SK, Greene DN, Schmidt RL (2019). Bad Tests Die Slowly: The Myelin Basic Protein Example. J Appl Lab Med, 5(1), 136-141.
26. Layfield LJ, Wang G, Yang ZJ, Gomez-Fernandez C, Esebua M, Schmidt RL (2020). Interobserver Agreement for the International Academy of Cytology Yokohama System for Reporting Breast Fine-Needle Aspiration Biopsy Cytopathology. Acta Cytol, 64(5), 413-419.
27. Kim K, McMillin GA, Bernard PS, Tantravahi S, Walker BS, Schmidt RL (2019). Cost effectiveness of therapeutic drug monitoring for imatinib administration in chronic myeloid leukemia. PLoS ONE, 14(12), e0226552.
28. Layfield LJ, Esebua M, Sun L, Schmidt RL (2019). Cytomorphological criteria for separation of pulmonary adenocarcinomas from squamous cell carcinomas: A statistical learning approach. Cytopathology, 30(6), 601-606.
29. Heikal N, Martins TB, White SK, Willis R, Ware Branch D, Schmidt RL, Tebo AE (2019). Laboratory Evaluation of Antiphospholipid Syndrome. Am J Clin Pathol, 152(5), 638-646.
30. Walker BS, Schmidt RL, Tantravahi S, Kim K, Hanson KE (2019). Cost-effectiveness of antifungal prophylaxis, preemptive therapy, or empiric treatment following allogeneic hematopoietic stem cell transplant. Transpl Infect Dis, 21(5), e13148.
31. Schmidt RL, Pearson LN (2019). Estimating the cost of quality of errors in the analytical phase. Clin Chim Acta, 495, 60-66.
32. Layfield LJ, Esebua M, Yang Z, Vatzmitsel M, Giorgadze T, Schmidt R (2019). The Milan system for reporting salivary gland cytopathology: A study of inter-observer reproducibility. Diagn Cytopathol, 47(8), 765-768.
33. Pearson LN, Schmidt RL (2018). Adoption of Evidence-Based Medicine in Clinical Laboratory Science: A Survey of the Prevalence of Systematic and Narrative Reviews. Lab Med, 50(3), 223-228.
34. Gledhill TR, White SK, Lewis JE, Schmidt RL (2019). A Profile of Point of Care Coordinators: Roles, Responsibilities and Attitudes. Lab Med, 50(3), e50-e55.
35. Metcalf RA, White SK, Potter S, Barney R, Hunter C, White M, Enniss T, Galaviz C, Reddy S, Wanner N, Schmidt RL, Blaylock R (2019). The association of inpatient blood utilization and diagnosis-related group weight: implications for risk-adjusted benchmarking. Transfusion, 59(7), 2316-2323.
36. Layfield LJ, Esebua M, Ang J, Alnijoumi MM, Sohal HS, Hammer RD, Prabhakaran N, Schmidt RL (2018). Cell block cellularity: A comparison of two fixatives and their impact on cellularity. Diagn Cytopathol, 47(5), 417-420.
37. Layfield LJ, Hammer RD, White SK, Furtado LV, Schmidt RL (2018). Molecular Testing Strategies for Pulmonary Adenocarcinoma: An Optimal Approach With Cost Analysis. Arch Pathol Lab Med, 143(5), 628-633.
38. Greene DN, McPherson GW, Rongitsch J, Imborek KL, Schmidt RL, Humble RM, Nisly N, Dole NJ, Dane SK, Frerichs J, Krasowski MD (2019). Hematology reference intervals for transgender adults on stable hormone therapy. Clin Chim Acta, 492, 84-90.
39. Mohlman JS, Genzen JR, Weiss RL, Schmidt RL (2018). Reliability and Validity of Proposed Risk Stratification Methods for Laboratory Developed Tests. Lab Med, 50(2), 194-201.
40. Lehman CM, Pearson L, Salmond J, Raphael K, Schmidt RL (2018). A Reflex Protocol for Creatinine Testing Reduces Costs and Maintains Patient Safety. Lab Med, 50(2), 202-207.
41. Schmidt RL, Pearson LN (2018). Is your assay stable? Using process stability and capability to evaluate assay performance. Clin Chim Acta, 490, 28-33.
42. White SK, Walker BS, Hanson KE, Schmidt RL (2018). Diagnostic Accuracy of β-d-Glucan (Fungitell) Testing Among Patients With Hematologic Malignancies or Solid Organ Tumors: A Systematic Review and Meta-Analysis. Am J Clin Pathol, 151(3), 275-285.
43. Khan J, Schmidt RL, Spittal MJ, Goldstein Z, Smock KJ, Greene DN (2018). Venous Thrombotic Risk in Transgender Women Undergoing Estrogen Therapy: A Systematic Review and Metaanalysis. Clin Chem, 65(1), 57-66.
44. Schmidt RL, Walker BS, Pearson LN (2018). Quality control limits: Are we setting them too wide? Clin Chim Acta, 486, 329-334.
45. Martins TB, Heikal N, Miller J, Willis R, Schmidt RL, Tebo AE (2018). Assessment of diagnostic methods for the detection of anticardiolipin and anti-βeta2 glycoprotein I antibodies in patients under routine evaluation for antiphospholipid syndrome. Clin Chim Acta, 485, 7-13.
46. Pearson LN, Layfield LJ, Schmidt RL (2018). Cost-effectiveness of rapid on-site evaluation of the adequacy of FNA cytology samples performed by nonpathologists. Cancer Cytopathology Supplement, 126(10), 839-845.
47. Layfield LJ, Esebua M, Dodd L, Giorgadze T, Schmidt RL (2018). The Papanicolaou Society of Cytopathology guidelines for respiratory cytology: Reproducibility of categories among observers. CytoJournal, 15, 22.
48. Schmidt RL, LoPresti JS, McDermott MT, Zick SM, Straseski JA (2018). Does Reverse Triiodothyronine Testing Have Clinical Utility? An Analysis of Practice Variation Based on Order Data from a National Reference Laboratory. Thyroid, 28(7), 842-848.
49. Layfield EM, Schmidt RL, Esebua M, Layfield LJ (2017). Frozen Section Evaluation of Margin Status in Primary Squamous Cell Carcinomas of the Head and Neck: A Correlation Study of Frozen Section and Final Diagnoses. Head Neck Pathol, 12(2), 175-180.
50. Hueth KD, Jackson BR, Schmidt RL (2018). An Audit of Repeat Testing at an Academic Medical Center: Consistency of Order Patterns With Recommendations and Potential Cost Savings. Am J Clin Pathol, 150(1), 27-33.
51. Pearson L, Factor RE, White SK, Walker BS, Layfield LJ, Schmidt RL (2018). Rapid On-Site Evaluation of Fine-Needle Aspiration by Non-Cytopathologists: A Systematic Review and Meta-Analysis of Diagnostic Accuracy Studies for Adequacy Assessment. Acta Cytol, 62(4), 244-252.
52. Layfield LJ, Pearson L, Walker BS, White SK, Schmidt RL (2018). Diagnostic Accuracy of Fine-Needle Aspiration Cytology for Discrimination of Squamous Cell Carcinoma from Adenocarcinoma in Non-Small Cell Lung Cancer: A Systematic Review and Meta-Analysis. Acta Cytol, 62(5-6), 318-326.
53. Schmidt RL, Colbert-Getz JM, Milne CK, Vargo DJ, Hussong JW, Hoidal JR, Markewitz BA, Walker BS, Kawamoto K (2017). Impact of Laboratory Charge Display Within the Electronic Health Record Across an Entire Academic Medical Center: Results of a Randomized Controlled Trial. Am J Clin Pathol, 148(6), 513-522.
54. Wylie JD, Makarewich CA, Working ZM, Jacobson L, Schmidt RL, Crim JR, Burks RT (2017). Findings Associated With Knee Pathology on MRI in Patients Without Osteoarthritis. J Am Acad Orthop Surg, 25(11), 780-786.
55. Lin DC, Straseski JA, Schmidt RL, The Thyroid Benchmarking Group (2017). Multi-Center Benchmark Study Reveals Significant Variation in Thyroid Testing in United States. Thyroid, 27(10).
56. Caron JE, March JK, Cohen MB, Schmidt RL (2017). A Survey of the Prevalence and Impact of Reporting Guideline Endorsement in Pathology Journals. Am J Clin Pathol, 148(4), 314-322.
57. Long T, Layfield LJ, Esebua M, Frazier SR, Giorgadze DT, Schmidt RL (2017). Interobserver reproducibility of The Paris System for Reporting Urinary Cytology. CytoJournal, 14, 17.
58. Layfield LJ, Hammer RD, Frazier SR, Esebua M, Bivin WW, Laziuk K, Nguyen VT, Johannesen E, Schmidt RL (2017). Impact of Consensus Conference Review on Diagnostic Disagreements in the Evaluation of Cervical Biopsy Specimens. Am J Clin Pathol, 147(5), 473-476.
59. Rudolf J, Jackson BR, Wilson AR, Smock KJ, Schmidt RL (2017). Organizational Benchmarks for Test Utilization Performance: An Example Based on Positivity Rates for Genetic Tests. Am J Clin Pathol, 147(4), 382-389.
60. Layfield LJ, Baloch ZW, Esebua M, Kannuswamy R, Schmidt RL (2017). Impact of the Reclassification of the Non-Invasive Follicular Variant of Papillary Carcinoma as Benign on the Malignancy Risk of the Bethesda System for Reporting Thyroid Cytopathology: A Meta-Analysis Study. Acta Cytol, 61(3), 187-193.
61. Layfield LJ, Schmidt RL, Campbell J, Esebua M (2016). Prognostic markers in smear preparations for pancreatic endocrine neoplasms: A cytomorphologic study and statistical analysis of 20 potential prognostic features. CytoJournal, 13, 22.
62. Layfield LJ, Esebua M, Schmidt RL (2016). Cytologic separation of branchial cleft cyst from metastatic cystic squamous cell carcinoma: A multivariate analysis of nineteen cytomorphologic features. Diagn Cytopathol, 44(7), 561-7.
63. Greene DN, Wilson AR, Bailey NM, Schmidt RL (2016). Publication outcome of abstracts presented at the AACC annual meeting. Clin Chim Acta, 456, 49-55.
64. Schmidt RL, Panlener JJ, Carasso SM, Hussong JW (2016). Impact of Continuous Improvement of Laboratory Test Result Comments on Requests for Consultation:  A Case Series. Am J Clin Pathol, 145(5), 666-70.
65. Adler DG, Witt B, Chadwick B, Wells J, Taylor LJ, Dimaio C, Schmidt R (2016). Pathologic evaluation of a new endoscopic ultrasound needle designed to obtain core tissue samples: A pilot study. Endosc Ultrasound, 5(3), 178-83.
66. Walker B, Powers-Fletcher MV, Schmidt RL, Hanson KE (2016). Cost-Effectiveness Analysis of Multiplex PCR with Magnetic Resonance Detection versus Empiric or Blood Culture-Directed Therapy for Management of Suspected Candidemia. J Clin Microbiol, 54(3), 718-26.
67. Witt BL, Cohen MB, Chadwick BE, Stephenson PD, Abasolo P, Schmidt RL (2015). Cytomorphology is often insufficient to categorize non-small-cell lung carcinoma on FNA specimens. Diagn Cytopathol, 44(2), 73-9.
68. Schmidt RL, Straseski JA, Raphael KL, Adams AH, Lehman CM (2015). A Risk Assessment of the Jaffe vs Enzymatic Method for Creatinine Measurement in an Outpatient Population. PLoS ONE, 10(11), e0143205.
69. Crim J, Schmidt R, Layfield L, Hanrahan C, Manaster BJ (2015). Can imaging criteria distinguish enchondroma from grade 1 chondrosarcoma? Eur J Radiol, 84(11), 2222-30.
70. Albertson DJ, Schmidt RL, Bearss JJ, Tripp SR, Bearss DJ, Liu T (2015). Patterns and Significance of PIM Kinases in Urothelial Carcinoma. Appl Immunohistochem Mol Morphol, 23(10), 717-23.
71. Layfield LJ, Schmidt RL, Chadwick BE, Esebua M, Witt BL (2015). Interobserver reproducibility and agreement with original diagnosis in the categories "atypical" and "suspicious for malignancy" for bile and pancreatic duct brushings. Diagn Cytopathol, 43(10), 797-801.
72. Signorelli H, Straseski JA, Genzen JR, Walker BS, Jackson BR, Schmidt RL (2015). Benchmarking to Identify Practice Variation in Test Ordering: A Potential Tool for Utilization Management. Lab Med, 46(4), 356-64.
73. Schmidt RL, Walker BS, Cohen MB (2015). When Is Rapid On-Site Evaluation Cost-Effective for Fine-Needle Aspiration Biopsy? PLoS ONE, 10(8), e0135466.
74. Schmidt RL, Kordy MA (2014). Mathematical modelling can predict adequacy rates and needle passes for fine needle aspiration cytology with rapid on-site evaluation. Cytopathology, 26(4), 217-23.
75. Huffman BM, Esebua M, Layfield LJ, Witt BL, Schmidt RL (2015). Risk stratification using cytomorphologic features in endoscopic ultrasonographic-guided fine-needle aspiration diagnosis of pancreatic ductal adenocarcinoma. Diagn Cytopathol, 43(8), 613-21.
76. Walker BS, Nelson RE, Jackson BR, Grenache DG, Ashwood ER, Schmidt RL (2015). A Cost-Effectiveness Analysis of First Trimester Non-Invasive Prenatal Screening for Fetal Trisomies in the United States. PLoS ONE, 10(7), e0131402.
77. Little RR, Laulu SL, Hanson SE, Rohlfing CL, Schmidt RL (2015). Effects of 49 Different Rare Hb Variants on HbA1c Measurement in Eight Methods. J Diabetes Sci Technol, 9(4), 849-56.
78. Walker BS, Jackson BR, LaGrave D, Ashwood ER, Schmidt RL (2013). A cost-effectiveness analysis of cell free DNA as a replacement for serum screening for Down syndrome. Prenat Diagn, 35(5), 440-6.
79. Kamer SM, Foley KF, Schmidt RL, Greene DN (2014). Analytical sensitivity of four commonly used hCG point of care devices. Clin Biochem, 48(6), 448-52.
80. Schmidt RL, Walker BS, Cohen MB (2014). Verification and classification bias interactions in diagnostic test accuracy studies for fine-needle aspiration biopsy. Cancer Cytopathology Supplement, 123(3), 193-201.
81. Schmidt RL, Kordy MA, Genzen JR, Straseski JA, Greene DN, Lehman CM (2014). A mathematical procedure to estimate the impact of a change in method on discordance or misclassification at a decision limit in laboratory method comparison studies. Clin Chim Acta, 440, 23-30.
82. Wylie JD, Crim JR, Working ZM, Schmidt RL, Burks RT (2015). Physician provider type influences utilization and diagnostic utility of magnetic resonance imaging of the knee. J Bone Joint Surg Am, 97(1), 56-62.
83. Layfield LJ, Esebua M, Schmidt RL, Witt BL (2015). Malignancy risk associated with the EBUS-FNA diagnostic categories nondiagnostic, benign, atypical, suspicious for malignancy, and malignant for mediastinal lymph node aspirate specimens. J Am Soc Cytopathol, 4(5), 276-281.
84. Schmidt RL, Jedrzkiewicz JD, Allred RJ, Matsuoka S, Witt BL (2014). Verification bias in diagnostic accuracy studies for fine- and core needle biopsy of salivary gland lesions in otolaryngology journals: a systematic review and analysis. Head Neck, 36(11), 1654-61.
85. Schmidt RL, Panlener J, Hussong JW (2014). An analysis of clinical consultation activities in clinical pathology: who requests help and why. Am J Clin Pathol, 142(3), 286-91.
86. Schmidt RL, Hunt JP, Hall BJ, Wilson AR, Layfield LJ (2011). A systematic review and meta-analysis of the diagnostic accuracy of frozen section for parotid gland lesions. Am J Clin Pathol, 136(5), 729-38.
87. Schmidt RL, Hall BJ, Layfield LJ (2011). A systematic review and meta-analysis of the diagnostic accuracy of ultrasound-guided core needle biopsy for salivary gland lesions. Am J Clin Pathol, 136(4), 516-26.
88. Schmidt RL, Hall BJ, Wilson AR, Layfield LJ (2011). A systematic review and meta-analysis of the diagnostic accuracy of fine-needle aspiration cytology for parotid gland lesions. Am J Clin Pathol, 136(1), 45-59.
89. Corean J, White SK, Schmidt RL, Walker BS, Fisher MA, Metcalf RA (2021). Platelet Component False Positive Detection Rate in Aerobic and Anaerobic Primary Culture: A Systematic Review and Meta-Analysis (In press). Transfus Med Rev.

Editorial

1. Schmidt RL, Jensen PE (2016). Reference pricing may have limited use but is not a blanket solution for laboratory testing. Ann Transl Med, 4(21), 429.
2. Schmidt RL, Ashwood ER (2015). Laboratory medicine and value-based health care. Am J Clin Pathol, 144(3), 357-8.

Letter

1. Moore RA, Schmidt RL, Metcalf RA (2021). In reply: Window periods for secondary bacterial culture of platelets according to FDA guidance. [Letter to the editor]. Transfusion, 61(4), 1343-1344.
2. Greene DN, Dickerson JA, Greninger AL, Schmidt RL (2020). When To Retest: an Examination of Repeat COVID-19 PCR Patterns in an Ambulatory Population. [Letter to the editor]. J Clin Microbiol, 58(9).
3. Schmidt R, Layfield LJ (2019). Authors Response: The Milan System for reporting salivary gland cytopathology: A study of inter-observer reproducibility. [Letter to the editor]. Diagn Cytopathol, 48(3), 287.
4. Tebo AE, Schmidt RL, Frech TM (2019). Presence of Antitopoisomerase I Antibody Alone May Not Be Sufficient for the Diagnosis of Systemic Sclerosis. [Letter to the editor]. J Rheumatol, 46(4), 440-442.
5. Cohen MB, Schmidt RL (2015). Diagnostic Error in Anatomic Pathology. [Letter to the editor]. Arch Pathol Lab Med, 140(1), 9.
6. Cohen MB, Schmidt RL (2015). More on Evidence-Based Medicine. [Letter to the editor]. Arch Pathol Lab Med, 140(1), 10.
7. Factor RE, Schmidt RL, Chadwick BE, Witt BJ, Morgan M, Neumayer LA, Layfield LJ (2015). Axillary lymph node FNA in women with breast cancer is a highly accurate procedure, so why are core biopsies being done? [Letter to the editor]. Diagn Cytopathol, 43(6), 510-2.
8. Schmidt RL, Barraza G (2015). Reporting issues in diagnostic accuracy studies for fine-needle aspiration cytology. [Letter to the editor]. Acta Otorrinolaringol Esp, 66(3), 183.
9. Schmidt RL, Factor RE (2015). Researchers should be aware of partial verification bias in diagnostic accuracy studies. [Letter to the editor]. Oral Surg Oral Med Oral Pathol Oral Radiol, 119(5), 593.
10. Schmidt RL (2014). An unusual example of verification bias. [Letter to the editor]. Int J Oral Maxillofac Surg, 43(10), 1304.
11. Little RR, Rohlfing CL, Hanson SE, Schmidt RL, Lin CN, Madsen RW, Roberts WL (2012). The effect of increased fetal hemoglobin on 7 common Hb A1c assay methods. [Letter to the editor]. Clin Chem, 58(5), 945-7.