Otto, Catherine M., Textbook of clinical echocardiography / Catherine M. Otto - Second edition. - Philadelphia : W.B.Saunders , 2000 - 443 pages. : illusrations.. ; 26 cm. ISBN: 0721676693 RM422.10 LCCN: 99-023054 Subjects--Topical Terms: EchocardiographyHeart diseases--Ultrasonography. National Library of Medicine Call No.: WG141.5