Pitkin, Roy M. <br/><br/>
The year book of obstetrics and gynecology / 
Roy M.Pitkin; Frank J. Zlatnik. 
 - Chicago :  Year Book Medical,  1985. 
 - 544 p. ;  23 cm. 
<br/><br/>Includes index. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>081516694X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Obstetrics--Yearbook.