4Fourd R et al.Interation between β-endorphin and gonadal steroids in regulation of luteinizing hormone(LH) Secretion and sex steroid regulation of LH and proopromelancortin secretion by individual pituitary cells[J].Endocrinolog.1997,138:649-656.
5Loatikainen,T et al.Ruutiainen k,Erkkola R,Seppala M.Effect of naloxone on plasma insulin,insulin-like growth factor I,and its binding protein 1 in patients with polycystic ovarian disease[J ].Fertil Steril.1990,53 (3):434-437.
6Contijoch AM et al.Betaendorphin regulation of LHRH release at the median eminecelevel:immunocyto chemical and physiological evidence in hens [ J ].Neuroendocrinology1993,57:365-372.
7Tomimatsu N,et al.Effects of oestrogen on hypothalamic beta-endorphin in ovariectomized and old rats[J].Maturitas,1993,17(1):5-16.
8Wehrenbery WB,et al.Beta-endorphin in hypophyseal poral blood:variations throughout the menstral cycie.Endocrinology,1982,111:879.
9Schurz B,et al.Betaendorphin levels during the clramacteric period[J].Maturitas,1998,10:45.
10Wilso TJ,et al.Decreased natural killer cell activity in endometriosis patients:relationship to disease pathogenesis [J].Fertil Steril,1994,62:1086-1088.
