TY - GEN AU - De Leenheer,A P AU - Lambert,W E AU - Claeys,I TI - All-trans-retinoic acid: measurement of reference values in human serum by high performance liquid chromatography SN - 0022-2275 PY - 1983///0415 KW - Chromatography, High Pressure Liquid KW - methods KW - Humans KW - Mass Spectrometry KW - Reference Values KW - Structure-Activity Relationship KW - Tretinoin KW - blood N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't ER -