Pregnancy diagnosis by ultrasound.
Smith
I J
IJ
D017750:Animal Technicians; D000818:Animals; D002417:Cattle; D005260:Female; D011247:Pregnancy; D011258:Pregnancy Tests / Q000191:economics / Q000662:veterinary*; D011361:Professional Competence; D016216:Ultrasonography, Prenatal / Q000191:economics / Q000662:veterinary*