title: Relation of endogenous opioid peptides to secretion of hormones: introductory remarks.
mesh_terms: D000818:Animals; D004723:Endorphins / Q000502:physiology*; D006728:Hormones / Q000378:metabolism*; D010902:Pituitary Gland / Q000502:physiology; D051381:Rats
chemical_list: D004723:Endorphins; D006728:Hormones