title: Evaluation of a method to estimate the prevalence of congenital malformations in swine, using a mailed questionnaire.
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D000013:Congenital Abnormalities / Q000453:epidemiology / Q000662:veterinary*; D004777:Environment; D005069:Evaluation Studies as Topic; D005260:Female; D005298:Fertility; D005313:Fetal Death / Q000453:epidemiology / Q000662:veterinary; D008923:Missouri; D011247:Pregnancy; D011795:Surveys and Questionnaires; D013552:Swine; D013553:Swine Diseases / Q000453:epidemiology*; D014481:United States