Comparative effects of silk and copper intra-uterine contraceptive devices on the uterine horns of rat.
D000818:Animals; D003300:Copper; D005260:Female; D007434:Intrauterine Devices; D051381:Rats; D013784:Textiles; D014599:Uterus / Q000032:analysis / Q000033:anatomy & histology*
D003300:Copper