(Q53329150)
Statements
Quantitative measurement of endogenous estrogens and estrogen metabolites in human serum by liquid chromatography-tandem mass spectrometry. (English)
Regina G Ziegler
Xia Xu
John M Roman
Haleem J Issaq
Larry K Keefer
Timothy D Veenstra
12 September 2007
79
20
7813-7821