An HPLC Ultraviolet Method Using Low Sample Volume and Protein Precipitation for the Measurement of Retinol in Human Serum Suitable for Laboratories in Low- and Middle-Income Count...

gan Chaudhary-Webb, Madhulika, Schleicher, Rosemary L., Erhardt, Juergen G., Pendergrast, Elizabeth C., Pfeiffer, Christine M.
Cyhoeddwyd yn J Appl Lab Med (2019)

A Candidate Reference Measurement Procedure for Quantifying Serum Concentrations of 25-Hydroxyvitamin D(3) and 25-Hydroxyvitamin D(2) Using Isotope-Dilution Liquid Chromatography-T...

gan Mineva, Ekaterina M., Schleicher, Rosemary L., Chaudhary-Webb, Madhulika, Maw, Khin L., Botelho, Julianne C., Vesper, Hubert W., Pfeiffer, Christine M.
Cyhoeddwyd yn Anal Bioanal Chem (2015)

The vitamin D status of the US population from 1988 to 2010 using standardized serum concentrations of 25-hydroxyvitamin D shows recent modest increases(1)(2)(3)

gan Schleicher, Rosemary L, Sternberg, Maya R, Lacher, David A, Sempos, Christopher T, Looker, Anne C, Durazo-Arvizu, Ramon A, Yetley, Elizabeth A, Chaudhary-Webb, Madhulika, Maw, Khin L, Pfeiffer, Christine M, Johnson, Clifford L
Cyhoeddwyd yn Am J Clin Nutr (2016)

National Estimates of Serum Total 25-Hydroxyvitamin D and Metabolite Concentrations Measured by Liquid Chromatography–Tandem Mass Spectrometry in the US Population during 2007–2010...

gan Schleicher, Rosemary L, Sternberg, Maya R, Looker, Anne C, Yetley, Elizabeth A, Lacher, David A, Sempos, Christopher T, Taylor, Christine L, Durazo-Arvizu, Ramon A, Maw, Khin L, Chaudhary-Webb, Madhulika, Johnson, Clifford L, Pfeiffer, Christine M
Cyhoeddwyd yn J Nutr (2016)

Development and Certification of a Standard Reference Material for Vitamin D Metabolites in Human Serum()

gan Phinney, Karen W., Bedner, Mary, Tai, Susan S.-C., Vamathevan, Veronica V., Sander, Lane C., Sharpless, Katherine E., Wise, Stephen A., Yen, James H., Schleicher, Rosemary L., Chaudhary-Webb, Madhulika, Pfeiffer, Christine M., Betz, Joseph M., Coates, Paul M., Picciano, Mary Frances
Cyhoeddwyd 2011

Development of an Improved Standard Reference Material for Vitamin D Metabolites in Human Serum()

gan Phinney, Karen W., Tai, Susan S.-C., Bedner, Mary, Camara, Johanna E., Chia, Rosalind R.C., Sander, Lane C., Sharpless, Katherine E., Wise, Stephen A., Yen, James H., Schleicher, Rosemary L., Chaudhary-Webb, Madhulika, Maw, Khin L., Rahmani, Yasamin, Betz, Joseph M., Merkel, Joyce, Sempos, Christopher T., Coates, Paul M., Durazo-Arvizu, Ramón A., Sarafin, Kurtis, Brooks, Stephen P.J.
Cyhoeddwyd yn Anal Chem (2017)