Objective To study the effect and mechanism of early intervention by polysaccharide nucleic acid fraction of BCG (BCG PSN) for prevention of post bronchiolitis wheezing.
目的探讨卡介菌多糖核酸(BCG PSN)对毛细支气管炎患儿喘息反复发作的预防作用及机制。
Objective To observe the clinical effect of BCG-PSN on conjunctivitis in spring and on serum levels of T cell subsets and of cytokines.
目的观察卡介菌多糖核酸（BCG-PSN）治疗春季结膜炎的疗效与该药对患者T细胞亚群及细胞因子水平的影响。
Objective To investigate the efficacy and adverse effects of methotrexate(MTX) and Bacille Calmette Guerin-polysaccharide nucleic acid(BCG-PSN) in the treatment of steroid dependent asthma.
目的研究甲氨喋呤（MTX）联用卡介苗多糖核酸（BCG-PSN）治疗激素依赖型哮喘的疗效和安全性。
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