Winter, L A double-blind comparison of ethoheptazine citrate, propoxyphene hydrochloride, and placebo. [electronic resource] - Current therapeutic research, clinical and experimental Jul 1973 - 383-90 p. digital Publication Type: Clinical Trial; Comparative Study; Controlled Clinical Trial; Journal Article ISSN: 0011-393X Subjects--Topical Terms: AdolescentAdultAgedAnalgesiaAzepines--adverse effectsCitratesClinical Trials as TopicDentistry, OperativeDextropropoxyphene--adverse effectsFemaleHumansHydrochloric AcidMaleMiddle AgedPlacebosPostoperative Care