Thomas, J A system for the clinical assessment of the antitussive activity of caramiphen. [electronic resource] - Current therapeutic research, clinical and experimental Oct 1974 - 1082-90 p. digital Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article ISSN: 0011-393X Subjects--Topical Terms: AdultAgedAntitussive Agents--adverse effectsBronchitis--drug therapyCarboxylic Acids--adverse effectsClinical Trials as TopicCough--drug therapyCyclopentanes--adverse effectsDiethylamines--adverse effectsFemaleHumansMaleMiddle AgedPlacebosTime FactorsTuberculosis--drug therapy