Williams obstetrics. 
[edited by] F. Gary Cunningham ... [et al.]. 
 - 22nd ed. 
 - New York :  McGraw-Hill Professional,  2005. 
 - xi, 1441 p.   ill. ;  28 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0071413154 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Obstetrics.<br/>Obstetrics.
<br/><br/><label>National Library of Medicine Call No.: </label>WQ 100 CW 2005