Williams manual de obstetricia / 
Kenneth J. Leveno...[et.al.] 
 - 21 
 - México :  McGraw-Hill Interamericana,  2004 
 - ix, 849 p.   :il. 
<br/><br/><label>ISBN: </label>970-10-4343-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>OBSTETRICIA<br/>GINECOLOGIA
<br/><br/><label>Dewey Class. No.: </label>618.2 W721w 2004