Williams obstetrics. 
F. Gary Cunningham ... [et al.]. 
 - 20th ed.  
 - Stamford, Conn. :  Appleton & Lange,  1997. 
 - viii, 1448 p. :  ill. ;  29 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>083859638X 
<br/><br/><label>LCCN: </label>96078941  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Obstetrics.<br/>Obstetrics.
<br/><br/><label>LC Class. No.: </label>RG 524  / .W5 1997