Stepanski, E J A double-blind trial of protriptyline in the treatment of sleep apnea syndrome. [electronic resource] - Henry Ford Hospital medical journal 1988 - 5-8 p. digital Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article ISSN: 0018-0416 Subjects--Topical Terms: AdultClinical Trials as TopicDibenzocycloheptenes--therapeutic useDouble-Blind MethodHumansMaleMiddle AgedOxygen--bloodPlacebosProtriptyline--therapeutic useSleep Apnea Syndromes--drug therapySleep, REM--drug effects