Williams obstetrics 
 Obstetrics.. 
F. Gary Cunningham ... [et al.]. 
 - 23rd. ed 
 - New York  McGrawHill  c2010. 
 - xv, 1385p: ill. (some col.); 29cm. 
<br/><br/><label>ISBN: </label>9780071497015 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Childbirth Obstetrics. 
<br/><br/><label>Dewey Class. No.: </label>618.2  / W52W