title: Population studies of drug metabolites in urine.
authors.forename: Linda
authors.initials: L
authors.lastname: Sage
mesh_terms: D000082:Acetaminophen / Q000378:metabolism* / Q000652:urine*; D006801:Humans; D007052:Ibuprofen / Q000378:metabolism* / Q000652:urine*; D009682:Magnetic Resonance Spectroscopy / Q000379:methods; D044469:Racial Groups; D012680:Sensitivity and Specificity
chemical_list: D000082:Acetaminophen; D007052:Ibuprofen