title: Effects of a copper intrauterine contraceptive device on embryo survival, uterine spermicidal activity, and endometrial vascular porosity in the ewe.
mesh_terms: D000818:Animals; D003300:Copper / Q000494:pharmacology*; D004622:Embryo, Mammalian / Q000187:drug effects*; D004717:Endometrium / Q000098:blood supply / Q000187:drug effects; D005321:Extraembryonic Membranes / Q000187:drug effects; D005260:Female; D007434:Intrauterine Devices; D008297:Male; D010969:Plastics / Q000494:pharmacology; D011095:Polyethylenes / Q000494:pharmacology; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000187:drug effects*; D012756:Sheep; D013094:Spermatozoa / Q000166:cytology / Q000187:drug effects*; D013193:Stainless Steel / Q000494:pharmacology; D014599:Uterus / Q000187:drug effects
chemical_list: D010969:Plastics; D011095:Polyethylenes; D013193:Stainless Steel; D003300:Copper