HASKINS, A L <br/><br/>
The progesterone content of human placentas before and after the onset of labor.  [electronic resource] 

 -  American journal of obstetrics and gynecology  Feb 1954 
 - 330-8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0002-9378 
<br/><br/><label>Standard No.: </label>10.1016/0002-9378(54)90128-3  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Female<br/>Hormones<br/>Humans<br/>Labor, Obstetric<br/>Placenta<br/>Placental Hormones<br/>Pregnancy<br/>Progesterone