Williams obstetrics / 
 Obstetrics 
[edited by] F. Gary Cunningham [and seven others]. 
 - 24th edition. 
 - New York :  McGraw-Hill Medical,  2014 
 - xviii, 1358 p.  ill.  
<br/><br/><label>ISBN: </label>9780071798938 (hardcover : alk. paper) 0071798935 (hardcover : alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Obstetrics