TY - GEN AU - Craft,N E AU - Haitema,T AU - Brindle,L K AU - Yamini,S AU - Humphrey,J H AU - West,K P TI - Retinol analysis in dried blood spots by HPLC SN - 0022-3166 PY - 2000///0424 KW - Adult KW - Blood Chemical Analysis KW - methods KW - Blood Specimen Collection KW - Chromatography, High Pressure Liquid KW - Cryopreservation KW - Humans KW - Nutrition Assessment KW - Time Factors KW - Vitamin A KW - blood N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S UR - https://doi.org/10.1093/jn/130.4.882 ER -