Snyder, D A <br/><br/>
Follicular and gonadotrophic changes during transition from ovulatory to anovulatory seasons.  [electronic resource] 

 -  Journal of reproduction and fertility. Supplement  1979 
 - 95-101 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0449-3087 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Estrus<br/>Female<br/>Gonadotropins, Pituitary--blood<br/>Horses--physiology<br/>Light<br/>Ovarian Follicle--physiology<br/>Ovulation<br/>Periodicity<br/>Pregnancy<br/>Seasons