STEER P.J. <br/><br/>
AN INTERNATIONAL JOURNAL OF OBSTETRICS & GYNAECOLOGY ,BJOG 

 -  BLACK WELL  AUG.2009 
 - 1-1828,HB  9,12 
 -  116 .
<br/><br/><label>ISSN: </label>14700328 
<br/><br/><label>Dewey Class. No.: </label>618.205