Greenhill, J. P. <br/><br/>
Biological principles on modern practice of obstetrics /  
J. P. Gr eenhill, Emmanuel Friedman. 
 - Philadelphia :    W. S. Saunders ,    1974. 
 - xiii, 837 p. :    ill. ;    27 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0721642378 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Obstetrics
<br/><br/><label>National Library of Medicine Call No.: </label>WQ 100   /  G838b 1974