Temporal relationship between vitamin D status and parathyroid hormone in the United States von Kroll, Martin H, Bi, Caixia, Garber, Carl C, Kaufman, Harvey W, Liu, Dungang, Caston-Balderrama, Anne, Zhang, Ke, Clarke, Nigel, Xie, Minge, Reitz, Richard E, Suffin, Stephen C, Holick, Michael F

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Simultaneous measurement of thirteen steroid hormones in women with polycystic ovary syndrome and control women using liquid chromatography-tandem mass spectrometry von Keefe, Candace C, Goldman, Mildred M, Zhang, Ke, Clarke, Nigel, Reitz, Richard E, Welt, Corrine K

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Quantitative insulin analysis using liquid chromatography-tandem mass spectrometry in a high-throughput clinical laboratory von Chen, Zhaohui, Caulfield, Michael P, McPhaul, Michael J, Reitz, Richard E, Taylor, Steven W, Clarke, Nigel J

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Serum Concentrations of 1,25-Dihydroxyvitamin D2 and 1,25-Dihydroxyvitamin D3 in Response to Vitamin D2 and Vitamin D3 Supplementation von Biancuzzo, Rachael M, Clarke, Nigel, Reitz, Richard E, Travison, Thomas G, Holick, Michael F

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Vitamin D2 Is as Effective as Vitamin D3 in Maintaining Circulating Concentrations of 25-Hydroxyvitamin D von Holick, Michael F., Biancuzzo, Rachael M., Chen, Tai C., Klein, Ellen K., Young, Azzie, Bibuld, Douglass, Reitz, Richard, Salameh, Wael, Ameri, Allen, Tannenbaum, Andrew D.

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Direct Determination of Lipoprotein Particle Sizes and Concentrations by Ion Mobility Analysis von Caulfield, Michael P, Li, Shuguang, Lee, Gloria, Blanche, Patricia J, Salameh, Wael A, Benner, W. Henry, Reitz, Richard E, Krauss, Ronald M

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Specificity and predictive value of circulating testosterone assessed by tandem mass spectrometry for the diagnosis of polycystic ovary syndrome by the National Institutes of Healt... von Salameh, Wael A., M.D, Redor-Goldman, Mildred M., B.S, Clarke, Nigel J., Ph.D, Mathur, Ruchi, M.D, Azziz, Ricardo, M.D, Reitz, Richard E., M.D

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Ion Mobility Analysis of Lipoprotein Subfractions Identifies Three Independent Axes of Cardiovascular Risk von MUSUNURU, Kiran, ORHO-MELANDER, Marju, KATHIRESAN, Sekar, MELANDER, Olle, KRAUSS, Ronald M, CAULFIELD, Michael P, SHUGUANG LI, SALAMEH, Wael A, REITZ, Richard E, BERGLUND, Göran, HEDBLAD, Bo, ENGSTRÖM, Gunnar, WILLIAMS, Paul T

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A Novel Mass Spectrometry–Based Assay for the Accurate Measurement of Thyroglobulin From Patient Samples Containing Antithyroglobulin Autoantibodies von Clarke, Nigel J., Zhang, Yanni, Reitz, Richard E.

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Mutational Analysis in Pediatric Thyroid Cancer and Correlations with Age, Ethnicity, and Clinical Presentation von Nikita, Maria Eleni, Jiang, Wen, Cheng, Shih-Min, Hantash, Feras M., McPhaul, Michael J., Newbury, Robert O., Phillips, Susan A., Reitz, Richard E., Waldman, Frederic M., Newfield, Ron S.

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Clinical utility of insulin-like growth factor 1 and 2; determination by high resolution mass spectrometry von Bystrom, Cory, Sheng, Shijun, Zhang, Ke, Caulfield, Michael, Clarke, Nigel J, Reitz, Richard

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Validation of a total testosterone assay using high-turbulence liquid chromatography tandem mass spectrometry: Total and free testosterone reference ranges von Salameh, Wael A., Redor-Goldman, Mildred M., Clarke, Nigel J., Reitz, Richard E., Caulfield, Michael P.

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Correlation of Insulin-Like Growth Factor-I and -II Concentrations at Birth Measured by Mass Spectrometry and Growth from Birth to Two Months von Hawkes, Colin P., Murray, Deirdre M., Kenny, Louise C., Kiely, Mairead, O’B Hourihane, Jonathan, Irvine, Alan D., Wu, Zengru, Argon, Yair, Reitz, Richard E., McPhaul, Michael J., Grimberg, Adda

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Testosterone Reference Ranges in Normally Cycling Healthy Premenopausal Women von Braunstein, Glenn D., Reitz, Richard E., Buch, Akshay, Schnell, Dan, Caulfield, Michael P.

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Discordance between mass spectrometry and immunometric IGF-1 assay in pituitary disease: a prospective study von Bonert, Vivien, Carmichael, John, Wu, Zengru, Mirocha, James, Perez, Daniel A., Clarke, Nigel J., Reitz, Richard E., McPhaul, Michael J., Mamelak, Adam

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Plasma Renin Activity: The Importance of Correct Sample Type von Haymond, Shannon, Clarke, Nigel J, Reitz, Richard E, McPhaul, Michael J, Wu, Zengru

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Total and free cortisol levels during 1 μg, 25 μg, and 250 μg cosyntropin stimulation tests compared to insulin tolerance test: results of a randomized, prospective, pilot study von Peechakara, Seenia, Bena, James, Clarke, Nigel J., McPhaul, Michael J., Reitz, Richard E., Weil, Robert J., Recinos, Pablo, Kennedy, Laurence, Hamrahian, Amir H

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A cross-sectional study of bone turnover markers in healthy premenopausal women von de Papp, Anne E, Bone, Henry G, Caulfield, Michael P, Kagan, Risa, Buinewicz, Anna, Chen, Erluo, Rosenberg, Elizabeth, Reitz, Richard E

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Identification of Four Gene Variants Associated with Myocardial Infarction von Shiffman, Dov, Ellis, Stephen G., Rowland, Charles M., Malloy, Mary J., Luke, May M., Iakoubova, Olga A., Pullinger, Clive R., Cassano, June, Aouizerat, Bradley E., Fenwick, Raymond G., Reitz, Richard E., Catanese, Joseph J., Leong, Diane U., Zellner, Christian, Sninsky, John J., Topol, Eric J., Devlin, James J., Kane, John P.

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Variability and Reliability of single Serum IGF-I Measurements: Impact on Determining Predictability of Risk Ratios in Disease Development von Milani, Daniela, Carmichael, John D., Welkowitz, Joan, Ferris, Steven, Reitz, Richard E., Danoff, Ann, Kleinberg, David L.

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