the binding of a gonadotrophin-releasing hormone ( gnrh ) long acting analog ( gnrha ) , d-ser ( but ) 6 , pro9-net gnrh ( hoe 766 ) , to pituitary and testicular extracts and the presence of gnrh-like material in testes and hypothalamuses were measured in the frog , rana esculenta .
C0023610
gnrh
C0020663
hypothalamuses