Williams obstetrics. 

 - 18th ed. / 
 - Norwalk, Conn. :  Appleton & Lange,  c1989. 
 - viii, 984 p. :  ill., port. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>083859736X 9780838597361 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Obstetrics
<br/><br/><label>National Library of Medicine Call No.: </label>WQ 100  / .W55 1989