Evaluating the accuracy of canine pregnancy diagnosis and litter size using real-time ultrasound.
D000818:Animals; D004285:Dogs / Q000502:physiology*; D005260:Female; D008098:Litter Size; D011247:Pregnancy; D011258:Pregnancy Tests / Q000662:veterinary*; D011270:Pregnancy, Animal; D014463:Ultrasonography / Q000379:methods / Q000662:veterinary*