Williams Obstetricia /  
F. Gary Cunningham ... [et al.] 
 - Cuarta edición 
 - Barcelona :   Editorial Masson,  1996 
 - xvi, 1420 p. 
<br/><br/><label>ISBN: </label>968753527X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Obstetricia
<br/><br/><label>Dewey Class. No.: </label>618.2 W724