Efficacy of cardiac therapy / Robert L. Hamlin, guest editor. - Philadephia : W.B. Saunders Company, c1991. - xiv, pages 879-1110 : illustrations ; 24cm. - The veterinary clinics of North America : Small Practice ; V.21, No.5 . Includes bibliographical references and index. Subjects--Topical Terms: Cardiac therapy--Veterinary medicine.