Giesen, H K [Changes in antigen-induced skin reactions caused by ketotifen--a new antiallergic agent]. [electronic resource] - Die Medizinische Welt Sep 1979 - 1359-60 p. digital Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article ISSN: 0025-8512 Subjects--Topical Terms: AdolescentAdultFemaleHistamine H1 Antagonists--therapeutic useHumansMaleMiddle AgedRhinitis, Allergic, Seasonal--drug therapySkin TestsThiophenes--therapeutic use