title: Copper levels in women using intrauterine devices or oral contraceptives.
mesh_terms: D000328:Adult; D001706:Biopsy; D003276:Contraceptives, Oral; D003300:Copper / Q000097:blood / Q000378:metabolism*; D004717:Endometrium / Q000378:metabolism; D005260:Female; D006801:Humans; D007434:Intrauterine Devices; D008598:Menstruation; D013053:Spectrophotometry
chemical_list: D003276:Contraceptives, Oral; D003300:Copper