“…and Freeman (17) introduced specific tin (16) were nonetheless able to show a reimmunotherapy (hyposensitization), but also duced skin sensitivity from treatment with tissue sensitivity as a parameter of treatment active extract but not with placebo during preefficacy using conjunctival provocations. In seasonal treatment with crude as well as purisubsequent decades a number of researchers fied grass pollen extract, and in another placehave shown an allergen specific reduction in bo study with cat dandruff Taylor et al, (35) the skin sensitivity during hyposensitization (3, showed reduced skin sensitivity in the group 7,9,10,16,22,32,33,35,36) but conflicting treated with active cat extract but no change in data exist (12,18,23,26), Frankland & Augus-the placebo group. Reduced nasal sensitivity either qualitative (6,7,10,31) or quantitative (13,14,15,18,34) and reduced bronchial sensitivity (1,8,24,35) have also been shown during hyposensitization.…”