Tilley, Larry Patrick Essentials of canine and feline electrocardiography : interpretation and treatment / Larry Patrick Tilley. - 3rd ed. - Philadelphia : Lea & Febiger, c1992. - xvii, 470p. : ill. ; 25 cm. Includes bibliographical references and index. ISBN: 0812114434 Subjects--Topical Terms: Dogs--Diseases--Diagnosis.Cats--Diseases--Diagnosis.Veterinary electrocardiogaphy.