[Electro-and phonocardiographic studies on the healthy heart of cattle of various ages].
D000818:Animals; D002417:Cattle / Q000502:physiology*; D004562:Electrocardiography / Q000662:veterinary*; D010701:Phonocardiography / Q000662:veterinary*
Elektro- und phonokardiographische Untersuchungen an herzgesunden Rindern verschiedenen Alters.