Diagnosis of pregnancy in the bitch with an ultrasonic Doppler instrument.
D000818:Animals; D004285:Dogs; D005260:Female; D005333:Fetus; D006339:Heart Rate; D011247:Pregnancy; D011258:Pregnancy Tests / Q000295:instrumentation / Q000662:veterinary*; D014159:Transducers; D014463:Ultrasonography; D014730:Veterinary Medicine / Q000295:instrumentation*