How does the copper intrauterine device work?
D000818:Animals; D003300:Copper / Q000494:pharmacology*; D010064:Embryo Implantation / Q000187:drug effects; D004717:Endometrium / Q000187:drug effects / Q000378:metabolism; D005260:Female; D006801:Humans; D007434:Intrauterine Devices; D011247:Pregnancy
D003300:Copper