Comparative placentation  essays in structure and function / 
editor, D. H. Steven 
 - London :  Academic Press ,  1975 
 - xiii, 315 p. :  ill . ;  23 cm. 
 - Monographs for students of medicine .
<br/><br/>Includes bibliographies and index 
<br/><br/><label>ISBN: </label>0126680507 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Placenta<br/>Placenta--Anatomy and histology<br/>Placenta--Physiology