Radiology of the upper urinary tract / edited by Erich K. Lang; f oreword by Martin W. Dorner and Friendrich Hevok. - Berlin : Vellag , c19991. - viii, 370 p. : ill. ; 28 cm. Includes bibliographical references and index. ISBN: 3540525467. Subjects--Topical Terms: Urinary Tract--------Urography-------- National Library of Medicine Call No.: WJ 141 / R118 1991