TY - BOOK AU - Gottlob,R. AU - May,Robert AU - Geleff,S. TI - Venous valves : : morphology, function, radiology, surgery / SN - 3211818987 PY - 1986/// CY - Wien ; , New York : PB - Springer-Verlag, KW - Vascular Diseases KW - Veins N1 - Includes bibliographical references: p. [209]-223 and index ER -