Albrecht, E D <br/><br/>
Pregnancy in young and aged rats: II. Peripheral serum progesterone concentrations.  [electronic resource] 

 -  Biology of reproduction  Sep 1985 
 - 432-5 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0006-3363 
<br/><br/><label>Standard No.: </label>10.1095/biolreprod33.2.432  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aging<br/>Animals<br/>Female<br/>Pregnancy<br/>Pregnancy, Animal<br/>Progesterone--blood<br/>Rats<br/>Rats, Inbred Strains