Freundl, G Steroidal 'add-back' therapy in patients treated with GnRH agonists. [electronic resource] - Gynecologic and obstetric investigation 1998 - 22-30; discussion 35 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0378-7346 Standard No.: 10.1159/000052848 doi Subjects--Topical Terms: AdultDelayed-Action PreparationsDesogestrel--administration & dosageDouble-Blind MethodEndometriosis--drug therapyEthinyl Estradiol--administration & dosageFemaleHot Flashes--chemically inducedHumansLeuprolide--administration & dosagePlacebosProspective StudiesSleep Initiation and Maintenance Disorders--chemically inducedSweating