title: Comparison of caffeine metabolism in three nonsmoking populations after oral administration of radiolabeled caffeine.
mesh_terms: D000293:Adolescent; D000328:Adult; D001711:Biotransformation; D002110:Caffeine / Q000378:metabolism*; D003278:Contraceptives, Oral, Hormonal / Q000494:pharmacology; D005243:Feces / Q000032:analysis; D005260:Female; D006207:Half-Life; D006801:Humans; D007538:Isoniazid / Q000494:pharmacology; D008297:Male; D012463:Saliva / Q000032:analysis; D012737:Sex Factors; D012907:Smoking
chemical_list: D003278:Contraceptives, Oral, Hormonal; D002110:Caffeine; D007538:Isoniazid