Ovine rickettsiosis in Romania.
D000034:Abortion, Veterinary / Q000453:epidemiology; D000818:Animals; D005260:Female; D011247:Pregnancy; D011778:Q Fever / Q000662:veterinary; D012282:Rickettsia Infections / Q000662:veterinary*; D012383:Romania; D012698:Serologic Tests; D012756:Sheep; D012757:Sheep Diseases / Q000453:epidemiology*