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目的 探讨维生素A与黄芪治疗反复呼吸道感染的疗效。方法 治疗组 (76例 )用维生素A联合黄芪治疗 3mo ,对照组 (72例 )给一般治疗。均观察 4mo～ 1a以上。结果 治疗组总有效率 95 %。与对照组相比P <0 .0 1。结论 维生素A与黄芪联用可降低反复呼吸道感染的发生率
Objective To investigate the curative effect of vitamin A and astragalus on recurrent respiratory tract infection. Methods The treatment group (76 cases) was treated with vitamin A combined with astragalus for 3 months and the control group (72 cases) given general treatment. Observed 4mo ~ 1a above. Results The total effective rate of 95%. P <0.01 compared with the control group. Conclusion Combined use of vitamin A and astragalus can reduce the incidence of recurrent respiratory tract infection