TY - GEN AU - Meyer,E AU - Lambert,W E AU - De Leenheer,A P TI - Simultaneous determination of endogenous retinoic acid isomers and retinol in human plasma by isocratic normal-phase HPLC with ultraviolet detection SN - 0009-9147 PY - 1994///0224 KW - Adult KW - Calibration KW - Chromatography, High Pressure Liquid KW - methods KW - Humans KW - Male KW - Quality Control KW - Reference Values KW - Sensitivity and Specificity KW - Tretinoin KW - blood KW - Vitamin A N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't ER -