Facchinetti, F Premenstrual fall of plasma beta-endorphin in patients with premenstrual syndrome. [electronic resource] - Fertility and sterility Apr 1987 - 570-3 p. digital Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't ISSN: 0015-0282 Standard No.: 10.1016/s0015-0282(16)59104-3 doi Subjects--Topical Terms: AdultEndorphins--bloodFemaleHumansHydrocortisone--bloodMenstrual CyclePremenstrual Syndrome--bloodTime Factorsbeta-Endorphinbeta-Lipotropin--blood