TY - GEN AU - Giese,Roger W TI - Measurement of endogenous estrogens: analytical challenges and recent advances SN - 0021-9673 PY - 2003///0826 KW - Adult KW - Child KW - Chromatography, Gas KW - Chromatography, High Pressure Liquid KW - Estrogens KW - blood KW - Female KW - Humans KW - Male KW - Mass Spectrometry KW - methods KW - Middle Aged N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Review UR - https://doi.org/10.1016/s0021-9673(03)00306-6 ER -