Hagen-Ansert, Sandra L. Textbook of diagnostic ultrasonography / Sandra L. Hagen-Ansert. - 3rd ed. - St. Louis : Mosby, 1989 - xviii, 1095 p. : ill. Includes bibliographical references. ISBN: 0801624460 9780801624469 Subjects--Topical Terms: Ultrasonography National Library of Medicine Call No.: WB 289 / .H34 1989