[Antigonadotropin action of pineal extracts in the aged rat].
D000375:Aging; D000818:Animals; D006062:Gonadotropins; D006065:Gonadotropins, Pituitary; D007031:Hypothalamus; D010870:Pineal Gland; D010900:Pituitary Diseases; D010902:Pituitary Gland; D051381:Rats; D014020:Tissue Extracts
D006062:Gonadotropins; D006065:Gonadotropins, Pituitary; D014020:Tissue Extracts
AGING; GONADOTROPINS, PITUITARY; HYPOTHALAMUS; PINEAL BODY; TISSUE EXTRACTS