Obstetrics / 
by ten teachers under the direction of Stanley G. Clayton edited by Stanley G. Clayton, T.L.T. Lewis, G. Pinker. 
 - 13th ed 
 - London :  E. Arnold,   1980. 
 - 541p. :   ill. ;   22cm. 
<br/><br/><label>ISBN: </label>071314386X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Obstetrics.