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Items: 1 to 50 of 226

1.

Comparison study of judged clinical skills competence from standard setting ratings generated under different administration conditions.

Roberts WL, Boulet J, Sandella J.

Adv Health Sci Educ Theory Pract. 2017 Dec;22(5):1279-1292. doi: 10.1007/s10459-017-9766-1. Epub 2017 Feb 21.

PMID:
28224317
2.

Soot, organics, and ultrafine ash from air- and oxy-fired coal combustion.

Andersen ME, Modak N, Winterrowd CK, Lee CW, Roberts WL, Wendt JOL, Linak WP.

Proc Combust Inst. 2017;36(6):4029-4037. doi: 10.1016/j.proci.2016.08.073.

3.

Multisite evaluation of a monoclonal IMMULITE erythropoietin immunoassay.

Owen WE, Lambert-Messerlian G, Delaney C, Christenson R, Plouffe B, Ludewig R, Woods A, Lei JD, Thompson S, Roberts WL, Straseski JA.

Clin Biochem. 2014 Feb;47(3):216-9. doi: 10.1016/j.clinbiochem.2013.11.012. Epub 2013 Nov 26.

PMID:
24291051
4.

New childhood and adult reference intervals for total IgE.

Martins TB, Bandhauer ME, Bunker AM, Roberts WL, Hill HR.

J Allergy Clin Immunol. 2014 Feb;133(2):589-91. doi: 10.1016/j.jaci.2013.08.037. Epub 2013 Oct 15. No abstract available.

PMID:
24139495
5.

The effects of congenital brain serotonin deficiency on responses to chronic fluoxetine.

Sachs BD, Jacobsen JP, Thomas TL, Siesser WB, Roberts WL, Caron MG.

Transl Psychiatry. 2013 Aug 13;3:e291. doi: 10.1038/tp.2013.65.

6.

Low body mass index and dyslipidemia in dialysis patients linked to elevated plasma fibroblast growth factor 23.

Montford JR, Chonchol M, Cheung AK, Kaufman JS, Greene T, Roberts WL, Smits G, Kendrick J; HOST Investigators.

Am J Nephrol. 2013;37(3):183-90. doi: 10.1159/000346941. Epub 2013 Feb 20.

7.

Measurement of thyroglobulin by liquid chromatography-tandem mass spectrometry in serum and plasma in the presence of antithyroglobulin autoantibodies.

Kushnir MM, Rockwood AL, Roberts WL, Abraham D, Hoofnagle AN, Meikle AW.

Clin Chem. 2013 Jun;59(6):982-90. doi: 10.1373/clinchem.2012.195594. Epub 2013 Feb 8.

8.

Investigation of standardized patient ratings of humanistic competence on a medical licensure examination using Many-Facet Rasch Measurement and generalizability theory.

Zhang X, Roberts WL.

Adv Health Sci Educ Theory Pract. 2013 Dec;18(5):929-44. doi: 10.1007/s10459-012-9433-5. Epub 2012 Dec 6.

PMID:
23224249
9.

Prospective multicenter evaluation of the Beckman Coulter Prostate Health Index using WHO calibration.

Loeb S, Sokoll LJ, Broyles DL, Bangma CH, van Schaik RH, Klee GG, Wei JT, Sanda MG, Partin AW, Slawin KM, Marks LS, Mizrahi IA, Shin SS, Cruz AB, Chan DW, Roberts WL, Catalona WJ.

J Urol. 2013 May;189(5):1702-6. doi: 10.1016/j.juro.2012.11.149. Epub 2012 Nov 30.

10.

The rights and freedoms gradient of health: evidence from a cross-national study.

Bezo B, Maggi S, Roberts WL.

Front Psychol. 2012 Nov 7;3:441. doi: 10.3389/fpsyg.2012.00441. eCollection 2012.

11.

Pediatric reference intervals for four serum bone markers using two automated immunoassays.

Wyness SP, Roberts WL, Straseski JA.

Clin Chim Acta. 2013 Jan 16;415:169-72. doi: 10.1016/j.cca.2012.10.036. Epub 2012 Oct 30. No abstract available.

PMID:
23122966
12.

Performance criteria for testosterone measurements based on biological variation in adult males: recommendations from the Partnership for the Accurate Testing of Hormones.

Yun YM, Botelho JC, Chandler DW, Katayev A, Roberts WL, Stanczyk FZ, Vesper HW, Nakamoto JM, Garibaldi L, Clarke NJ, Fitzgerald RL.

Clin Chem. 2012 Dec;58(12):1703-10. doi: 10.1373/clinchem.2012.186569. Epub 2012 Oct 11.

13.

Performance characteristics of the ARCHITECT Galectin-3 assay.

La'ulu SL, Apple FS, Murakami MM, Ler R, Roberts WL, Straseski JA.

Clin Biochem. 2013 Jan;46(1-2):119-22. doi: 10.1016/j.clinbiochem.2012.09.014. Epub 2012 Sep 23.

PMID:
23010446
14.

Frequency of specific osteopathic manipulative treatment modalities used by candidates while taking COMLEX-USA Level 2-PE.

Langenau EE, Dowling DJ, Dyer C, Roberts WL.

J Am Osteopath Assoc. 2012 Aug;112(8):509-13.

PMID:
22904248
15.

Clinical skills assessment of procedural and advanced communication skills: performance expectations of residency program directors.

Langenau EE, Zhang X, Roberts WL, DeChamplain AF, Boulet JR.

Med Educ Online. 2012;17. doi: 10.3402/meo.v17i0.18812. Epub 2012 Jul 23.

16.

25-hydroxyvitamin D deficiency is associated with an increased risk of metabolic syndrome in patients with non-diabetic chronic kidney disease.

Seiki S, Chonchol M, Cheung AK, Kaufman JS, Greene T, Roberts WL, Smits G, Kendrick J; HOST Investigators.

Clin Nephrol. 2012 Dec;78(6):432-41. doi: 10.5414/CN107498.

17.

Associations of plasma 25-hydroxyvitamin D and 1,25-dihydroxyvitamin D concentrations with death and progression to maintenance dialysis in patients with advanced kidney disease.

Kendrick J, Cheung AK, Kaufman JS, Greene T, Roberts WL, Smits G, Chonchol M; HOST (Homocysteinemia in Kidney and End Stage Renal Disease) Study Investigators.

Am J Kidney Dis. 2012 Oct;60(4):567-75. doi: 10.1053/j.ajkd.2012.04.014. Epub 2012 May 22.

18.

Multi-center analytical performance evaluation of the Access Hybritech® p2PSA immunoassay.

Sokoll LJ, Chan DW, Klee GG, Roberts WL, van Schaik RH, Arockiasamy DA, Broyles DL, Carlson CM, Mizrahi IA, Pierson TB, Tam JE.

Clin Chim Acta. 2012 Aug 16;413(15-16):1279-83. doi: 10.1016/j.cca.2012.04.015. Epub 2012 Apr 20.

PMID:
22542565
19.

Racial differences in markers of mineral metabolism in advanced chronic kidney disease.

Jovanovich A, Chonchol M, Cheung AK, Kaufman JS, Greene T, Roberts WL, Smits G, Kendrick J; HOST Investigators.

Clin J Am Soc Nephrol. 2012 Apr;7(4):640-7. doi: 10.2215/CJN.07020711. Epub 2012 Mar 1.

20.

The effect of increased fetal hemoglobin on 7 common Hb A1c assay methods.

Little RR, Rohlfing CL, Hanson SE, Schmidt RL, Lin CN, Madsen RW, Roberts WL.

Clin Chem. 2012 May;58(5):945-7. doi: 10.1373/clinchem.2012.181933. Epub 2012 Feb 22. No abstract available.

21.

Effects of hemoglobin C, D, E, and S traits on measurements of HbA1c by six methods.

Lin CN, Emery TJ, Little RR, Hanson SE, Rohlfing CL, Jaisson S, Gillery P, Roberts WL.

Clin Chim Acta. 2012 Apr 11;413(7-8):819-21. doi: 10.1016/j.cca.2011.12.019. Epub 2012 Jan 8. No abstract available.

22.

Pediatric reference intervals for serum copper and zinc.

Lin CN, Wilson A, Church BB, Ehman S, Roberts WL, McMillin GA.

Clin Chim Acta. 2012 Mar 22;413(5-6):612-5. doi: 10.1016/j.cca.2011.12.005. Epub 2011 Dec 13.

PMID:
22192859
23.

Septin 9 methylated DNA is a sensitive and specific blood test for colorectal cancer.

Warren JD, Xiong W, Bunker AM, Vaughn CP, Furtado LV, Roberts WL, Fang JC, Samowitz WS, Heichman KA.

BMC Med. 2011 Dec 14;9:133. doi: 10.1186/1741-7015-9-133.

24.

Blood enzymes and oxidative stress in chronic kidney disease: a cross sectional study.

Johnson-Davis KL, Fernelius C, Eliason NB, Wilson A, Beddhu S, Roberts WL.

Ann Clin Lab Sci. 2011 Fall;41(4):331-9.

PMID:
22166502
25.

Specificity characteristics of 7 commercial creatinine measurement procedures by enzymatic and Jaffe method principles.

Greenberg N, Roberts WL, Bachmann LM, Wright EC, Dalton RN, Zakowski JJ, Miller WG.

Clin Chem. 2012 Feb;58(2):391-401. doi: 10.1373/clinchem.2011.172288. Epub 2011 Dec 13.

26.

Relationships between high-stakes clinical skills exam scores and program director global competency ratings of first-year pediatric residents.

Langenau EE, Pugliano G, Roberts WL.

Med Educ Online. 2011;16:7362. doi: 10.3402/meo.v16i0.7362. Epub 2011 Sep 13.

27.

FGF-23 associates with death, cardiovascular events, and initiation of chronic dialysis.

Kendrick J, Cheung AK, Kaufman JS, Greene T, Roberts WL, Smits G, Chonchol M; HOST Investigators.

J Am Soc Nephrol. 2011 Oct;22(10):1913-22. doi: 10.1681/ASN.2010121224. Epub 2011 Sep 7.

28.

Modeling relationships between traditional preadmission measures and clinical skills performance on a medical licensure examination.

Roberts WL, Pugliano G, Langenau E, Boulet JR.

Adv Health Sci Educ Theory Pract. 2012 Aug;17(3):403-17. doi: 10.1007/s10459-011-9321-4. Epub 2011 Aug 28.

PMID:
21874593
29.

Functional sensitivity of seven automated thyroid stimulating hormone immunoassays.

Owen WE, Gantzer ML, Lyons JM, Rockwood AL, Roberts WL.

Clin Chim Acta. 2011 Nov 20;412(23-24):2336-9. doi: 10.1016/j.cca.2011.08.002. Epub 2011 Aug 8.

PMID:
21851813
30.

Commentary.

Roberts WL.

Clin Chem. 2011 Aug;57(8):1107. doi: 10.1373/clinchem.2011.163493. No abstract available.

31.

Pediatric 25-hydroxyvitamin D concentrations in neurofibromatosis type 1.

Stevenson DA, Viskochil DH, Carey JC, Sheng X, Murray M, Moyer-Mileur L, Shelton J, Roberts WL, Bunker AM, Hanson H, Bauer S, D'Astous JL.

J Pediatr Endocrinol Metab. 2011;24(3-4):169-74.

32.

Relationship between standardized patient checklist item accuracy and performing arts experience.

Langenau EE, Dyer C, Roberts WL, De Champlain AF, Montrey DP, Sandella JM.

Simul Healthc. 2011 Jun;6(3):150-4. doi: 10.1097/SIH.0b013e31821687b3.

PMID:
21646984
33.

Pediatric reference intervals for serum alpha-fetoprotein.

La'ulu SL, Rasmussen KJ, Roberts WL.

Clin Chim Acta. 2011 Aug 17;412(17-18):1695-6. doi: 10.1016/j.cca.2011.05.027. Epub 2011 May 27. No abstract available.

PMID:
21640088
34.

Patient result median monitoring for clinical laboratory quality control.

Wilson A, Roberts WL, Pavlov I, Fontenot J, Jackson B.

Clin Chim Acta. 2011 Jul 15;412(15-16):1441-6. doi: 10.1016/j.cca.2011.04.024. Epub 2011 Apr 27.

PMID:
21549689
35.

A multicenter study of [-2]pro-prostate specific antigen combined with prostate specific antigen and free prostate specific antigen for prostate cancer detection in the 2.0 to 10.0 ng/ml prostate specific antigen range.

Catalona WJ, Partin AW, Sanda MG, Wei JT, Klee GG, Bangma CH, Slawin KM, Marks LS, Loeb S, Broyles DL, Shin SS, Cruz AB, Chan DW, Sokoll LJ, Roberts WL, van Schaik RH, Mizrahi IA.

J Urol. 2011 May;185(5):1650-5. doi: 10.1016/j.juro.2010.12.032. Epub 2011 Mar 17. Erratum in: J Urol. 2011 Jul;186(1):354.

36.

First-trimester reference intervals for thyrotropin, free thyroxine, free thyroxine index and thyroxine for the Beckman Coulter UniCel® DxI 800 and Roche Modular Analytics E170 analyzers.

Wyness SP, La'ulu SL, Roberts WL.

Clin Chim Acta. 2011 Nov 20;412(23-24):2346-8. doi: 10.1016/j.cca.2011.02.024. Epub 2011 Feb 23. No abstract available.

PMID:
21352820
37.

Ethnic differences in first-trimester thyroid reference intervals.

La'ulu SL, Roberts WL.

Clin Chem. 2011 Jun;57(6):913-5. doi: 10.1373/clinchem.2010.161240. Epub 2011 Feb 22. No abstract available.

38.

Detection of macro-creatine kinase and macroamylase by polyethylene glycol precipitation and ultrafiltration methods.

Wyness SP, Hunsaker JJ, La'ulu SL, Rao LV, Roberts WL.

Clin Chim Acta. 2011 Nov 20;412(23-24):2052-7. doi: 10.1016/j.cca.2011.01.023. Epub 2011 Jan 26.

PMID:
21276785
39.

Relationship between encounter time and candidate performance on COMLEX-USA Level 2-PE.

Sandella JM, Roberts WL, Langenau EE.

J Am Osteopath Assoc. 2011 Jan;111(1):38-43.

PMID:
21258015
40.

Age and gender specific pediatric reference intervals for aldolase, amylase, ceruloplasmin, creatine kinase, pancreatic amylase, prealbumin, and uric acid.

Clifford SM, Bunker AM, Jacobsen JR, Roberts WL.

Clin Chim Acta. 2011 Apr 11;412(9-10):788-90. doi: 10.1016/j.cca.2011.01.011. Epub 2011 Jan 14.

PMID:
21238443
41.

Performance characteristics of a new Immulite(®) 2000 system erythropoietin assay.

Owen WE, Roberts WL.

Clin Chim Acta. 2011 Feb 20;412(5-6):480-2. doi: 10.1016/j.cca.2010.11.023. Epub 2010 Nov 23.

PMID:
21108944
42.

Performance characteristics of six intact parathyroid hormone assays.

La'ulu SL, Roberts WL.

Am J Clin Pathol. 2010 Dec;134(6):930-8. doi: 10.1309/AJCPLGCZR7IPVHA7. Erratum in: Am J Clin Pathol. 2011 Mar;135(3):485.

PMID:
21088157
43.

Reference intervals for six enzymes after polyethylene glycol precipitation and ultrafiltration.

Wyness SP, Hunsaker JJ, La'ulu SL, Roberts WL.

Clin Chim Acta. 2011 May 12;412(11-12):1161-2. doi: 10.1016/j.cca.2010.11.005. Epub 2010 Nov 7. No abstract available.

PMID:
21062625
44.

Performance characteristics of an automated assay for the quantitation of CYFRA 21-1 in human serum.

Patel JL, Erickson JA, Roberts WL, Grenache DG.

Clin Biochem. 2010 Dec;43(18):1449-52. doi: 10.1016/j.clinbiochem.2010.09.014. Epub 2010 Sep 27.

PMID:
20875814
45.

Liquid chromatography tandem mass spectrometry for analysis of steroids in clinical laboratories.

Kushnir MM, Rockwood AL, Roberts WL, Yue B, Bergquist J, Meikle AW.

Clin Biochem. 2011 Jan;44(1):77-88. doi: 10.1016/j.clinbiochem.2010.07.008. Epub 2010 Jul 11. Review.

PMID:
20627096
46.

Rapid analysis of 25-hydroxyvitamin D(2) and D(3) by liquid chromatography-tandem mass spectrometry and association of vitamin D and parathyroid hormone concentrations in healthy adults.

Kushnir MM, Ray JA, Rockwood AL, Roberts WL, La'ulu SL, Whittington JE, Meikle AW.

Am J Clin Pathol. 2010 Jul;134(1):148-56. doi: 10.1309/AJCPPIA7DFBT4GKS.

PMID:
20551279
47.

The osmolal gap: what has changed?

Whittington JE, La'ulu SL, Hunsaker JJ, Roberts WL.

Clin Chem. 2010 Aug;56(8):1353-5. doi: 10.1373/clinchem.2010.147199. Epub 2010 Jun 8. No abstract available.

48.

Liquid chromatography-tandem mass spectrometry assay for androstenedione, dehydroepiandrosterone, and testosterone with pediatric and adult reference intervals.

Kushnir MM, Blamires T, Rockwood AL, Roberts WL, Yue B, Erdogan E, Bunker AM, Meikle AW.

Clin Chem. 2010 Jul;56(7):1138-47. doi: 10.1373/clinchem.2010.143222. Epub 2010 May 20. Erratum in: Clin Chem. 2011 Jul;57(7):1084.

49.

Pediatric reference intervals for random urine calcium, phosphorus and total protein.

Slev PR, Bunker AM, Owen WE, Roberts WL.

Pediatr Nephrol. 2010 Sep;25(9):1707-10. doi: 10.1007/s00467-010-1544-8. Epub 2010 May 16.

PMID:
20473690
50.

Limitations of the Hoffman approach to determine pediatric reference intervals for two steroids.

Roberts WL, Rockwood AL, Bunker AM, Kushnir MM, Meikle AW.

Clin Biochem. 2010 Jul;43(10-11):933-4; author reply 935. doi: 10.1016/j.clinbiochem.2010.04.064. Epub 2010 Apr 28. No abstract available.

PMID:
20433822

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