LITTRELL, J L <br/><br/>
Fluctuations in the estrogen level throughout the menstrual cycle of one woman.  [electronic resource] 

 -  Endocrinology  Apr 1947 
 - 292-4 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0013-7227 
<br/><br/><label>Standard No.: </label>10.1210/endo-40-4-292  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Estrogens<br/>Female<br/>Humans<br/>Menstrual Cycle<br/>Menstruation