title: Persistent postcervical band as a cause of dystocia in a bitch (a case report).
mesh_terms: D000818:Animals; D004283:Dog Diseases; D004285:Dogs; D004420:Dystocia / Q000209:etiology / Q000662:veterinary*; D005260:Female; D011247:Pregnancy; D014621:Vagina / Q000002:abnormalities*