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AJOG American Journal of Obstetrics & Gynecology 

 - 208(1-6) Jan-Jun 2013 
 -  Elsevier 
 - 509 
<br/><br/><label>ISBN: </label>0002-9378 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Obs & Gyane