Coca tea and urinalysis for cocaine metabolites.
D001628:Beverages / Q000032:analysis*; D003041:Coca / Q000032:analysis*; D003042:Cocaine / Q000031:analogs & derivatives* / Q000652:urine*; D008401:Gas Chromatography-Mass Spectrometry; D006801:Humans; D010946:Plants, Medicinal
C005618:benzoylecgonine; D003042:Cocaine