Comparison of liquid chromatography-mass spectrometry, radioimmunoassay, and enzyme-linked immunosorbent assay methods for measurement of urinary estrogens

Jessica M. Faupel-Badger, Barbara J. Fuhrman, Xia Xu, Roni T. Falk, Larry K. Keefer, Timothy D. Veenstra, Robert N. Hoover, and Regina G. Ziegler Source: Cancer Epidemiol Biomarkers Prev. 2010 January ; 19(1): 292–300. doi:10.1158/1055-9965.EPI-09-0643. Abstract Absolute and relative concentrations of estrogens and estrogen metabolites (EM) are important for clinical decisions, as well as for…