title: Summarised observations on the ultrasonic detection of pregnancy and foetal life in the mare.
mesh_terms: D000818:Animals; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis; D005318:Fetal Heart / Q000502:physiology*; D005865:Gestational Age; D006339:Heart Rate; D006734:Horse Diseases / Q000175:diagnosis; D006736:Horses; D011247:Pregnancy; D011258:Pregnancy Tests / Q000295:instrumentation / Q000662:veterinary*; D011270:Pregnancy, Animal; D014465:Ultrasonics / Q000295:instrumentation; D014463:Ultrasonography