PRINCIPLES of obstetrics 
/edited by Ronald M.Caplan 
 - Baltimore  Williams & Wilkins  1982 
 - xv, 321 p. 
<br/><br/> Includes bibliography and index. 
<br/><br/><label>ISBN: </label>683014366 
<br/><br/><label>Dewey Class. No.: </label>618.2  / PRI