title: Ultrasonic diagnosis of pregnancy.
authors.forename: J
authors.initials: J
authors.lastname: Wilson
mesh_terms: D000818:Animals; D002417:Cattle; D003362:Cost-Benefit Analysis; D005260:Female; D011247:Pregnancy; D011270:Pregnancy, Animal; D014463:Ultrasonography / Q000191:economics*; D006113:United Kingdom