title: The pregnancy that doesn't stay--lessons from 25 years of observation.
authors.forename: G P
authors.initials: GP
authors.lastname: Allen
mesh_terms: D000034:Abortion, Veterinary / Q000191:economics / Q000209:etiology*; D000818:Animals; D000829:Animals, Domestic; D001947:Breeding / Q000191:economics; D005260:Female; D005313:Fetal Death / Q000191:economics / Q000209:etiology / Q000662:veterinary*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000191:economics / Q000209:etiology / Q000662:veterinary*; D012098:Reproduction