Keirse, Marc J N C <br/><br/>
Progesterone and preterm: seventy years of "déjà vu" or "still to be seen"?  [electronic resource] 

 -  Birth (Berkeley, Calif.)  Sep 2004 
 - 230-5 p.  digital 
<br/><br/> Publication Type: Comment; Journal Article 
<br/><br/><label>ISSN: </label>0730-7659 
<br/><br/><label>Standard No.: </label>10.1111/j.0730-7659.2004.00315.x  doi