Studies on dystocia in sheep. I. A technique for radiographic pelvimetry in the ewe.
D000818:Animals; D004420:Dystocia / Q000000981:diagnostic imaging / Q000662:veterinary*; D005260:Female; D010387:Pelvimetry / Q000379:methods / Q000662:veterinary*; D011247:Pregnancy; D011859:Radiography; D012756:Sheep / Q000033:anatomy & histology*; D012757:Sheep Diseases / Q000000981:diagnostic imaging*