title: Coil chemistry.
mesh_terms: D000818:Animals; D055598:Chemical Phenomena; D002621:Chemistry; D003300:Copper / Q000032:analysis / Q000494:pharmacology*; D004220:Disulfides / Q000032:analysis; D005260:Female; D006801:Humans; D007434:Intrauterine Devices; D010084:Oxidation-Reduction; D051381:Rats; D014599:Uterus / Q000187:drug effects*
chemical_list: D004220:Disulfides; D003300:Copper