Obstetrics :  normal and problem pregnancies / 
edited by Steven G. Gabbe, Jennifer R. Niebyl, Joe Leigh Simpson. 
 - 2nd ed. 
 - New York :  Churchill Livingstone,  c1991. 
 - xx, 1409p. : ill. ; 25 cm. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Obstetrics.