Methods Toluene 2, 4-diisocyanate mixed with florence oil at the concentration of 10% was applied to the nasal vestibules of 8 guinea pigs to induce sensitization (modeling group).

• 方法用橄榄油将甲苯-2,4-二异氰酸酯配成浓度为10%25溶液作为致敏剂,滴鼻,建立豚鼠变应性鼻炎动物模型8例。另取8例正常豚鼠作对照。