TY - GEN AU - Kronstrand,R AU - Förstberg-Peterson,S AU - Kågedal,B AU - Ahlner,J AU - Larson,G TI - Codeine concentration in hair after oral administration is dependent on melanin content SN - 0009-9147 PY - 1999///0915 KW - Chromatography, High Pressure Liquid KW - Codeine KW - analysis KW - Female KW - Gas Chromatography-Mass Spectrometry KW - Hair KW - chemistry KW - Humans KW - Male KW - Melanins KW - metabolism KW - Morphine KW - Narcotics KW - Pyrroles KW - Substance Abuse Detection KW - methods N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't ER -