The year book of obstetrics and gynecology. 1979- / 
edited by Roy M. Pitkin and assisted by Frank J. Zlatnik. 
 - Chicago :  Yearbook Medical Publishers Inc.,  1979. 
 - 479 p. :  ill. ;  23 cm. 
<br/><br/>Includes index. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0815166885 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Obstetrics--Yearbooks.<br/>Gynecology--Yearbooks.