British journal of obstetrics and gynecology / 
Royal College of Obstetrician and Gynaecolgists 
 - GBR., 
 - Vol. 90 - 
<br/><br/> Incluye índice 
<br/><br/><label>ISSN: </label>0306-5456 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ginecología<br/>Obstetricia