title: Attenuated pituitary beta-endorphin release in estrogen-treated rats.
mesh_terms: D000818:Animals; D004723:Endorphins / Q000097:blood* / Q000276:immunology / Q000378:metabolism; D004958:Estradiol / Q000494:pharmacology*; D005260:Female; D008297:Male; D010902:Pituitary Gland / Q000378:metabolism; D011863:Radioimmunoassay; D051381:Rats; D012737:Sex Factors; D013312:Stress, Physiological / Q000097:blood*; D013739:Testosterone / Q000494:pharmacology*
chemical_list: D004723:Endorphins; D013739:Testosterone; D004958:Estradiol