545,843 ZLATNI J. [red.] The year book of obstetrics and gynecology 1980 / ed. Roy M. Pitkin ; ass. ed. Frank J. Zlatnik. - Chicago ; London : Year Book Medical Publ., Inc., [1980]. - 471 s. : il., wykr. ; 24 cm (The Year Book Series, ISSN 0084-3911) ISBN 08151-6689-3