title: [Contraception using copper intrauterine pessaries].
mesh_terms: D002582:Cervix Mucus / Q000187:drug effects; D003300:Copper / Q000494:pharmacology; D004717:Endometrium / Q000187:drug effects; D005260:Female; D006801:Humans; D007433:Intrauterine Device Expulsion; D007434:Intrauterine Devices; D011247:Pregnancy; D011960:Receptors, Estrogen; D011980:Receptors, Progesterone; D013997:Time Factors
chemical_list: D011960:Receptors, Estrogen; D011980:Receptors, Progesterone; D003300:Copper
vernacular_title: Schwangerschaftsverhütung mit Kupfer-Intrauterinpessaren