title: Serum copper and zinc levels in patients taking oral contraceptives.
mesh_terms: D000328:Adult; D003276:Contraceptives, Oral / Q000494:pharmacology*; D003300:Copper / Q000097:blood* / Q000378:metabolism; D004967:Estrogens / Q000494:pharmacology; D005260:Female; D006801:Humans; D008660:Metabolism / Q000187:drug effects; D011372:Progestins / Q000494:pharmacology; D013053:Spectrophotometry; D013997:Time Factors; D015032:Zinc / Q000097:blood* / Q000378:metabolism
chemical_list: D003276:Contraceptives, Oral; D004967:Estrogens; D011372:Progestins; D003300:Copper; D015032:Zinc