Sherwood, O D <br/><br/>
Influence of litter size on antepartum serum relaxin and progesterone immunoactivity levels and on birth in the rat.  [electronic resource] 

 -  Endocrinology  Jun 1985 
 - 2554-62 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0013-7227 
<br/><br/><label>Standard No.: </label>10.1210/endo-116-6-2554  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Corpus Luteum--physiology<br/>Female<br/>Fetus--anatomy & histology<br/>Labor, Obstetric<br/>Litter Size<br/>Pregnancy<br/>Progesterone--blood<br/>Rats<br/>Rats, Inbred Strains<br/>Relaxin--blood<br/>Time Factors<br/>Uterine Contraction