Porter, D G <br/><br/>
Endocrinology of the placenta and the evolution of viviparity.  [electronic resource] 

 -  Journal of reproduction and fertility. Supplement  Nov 1982 
 - 113-38 p.  digital 
<br/><br/> Publication Type: Journal Article; Review 
<br/><br/><label>ISSN: </label>0449-3087 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Biological Evolution<br/>Corpus Luteum--physiology<br/>Decidua--physiology<br/>Female<br/>Gonadal Steroid Hormones--physiology<br/>Gonadotropins--physiology<br/>Mammals--physiology<br/>Ovary--physiology<br/>Placenta--physiology<br/>Placental Hormones--physiology<br/>Pregnancy<br/>Prolactin--physiology<br/>Relaxin--physiology<br/>Reproduction