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系统评价者 :PlotnickLH ,DucharmeFM 对本篇系统评价的最近一次实质性修改在 2 0 0 0年 4月 2 5日。如有必要 ,Cochrane评价将定期修改和更新。背景 :联合使用抗胆碱能药物和 β2 受体激动剂治疗儿童急性哮喘的效应进行研究的几个随机对照试验
Systematic reviewer: Plotnick LH, DucharmeFM The last substantive revision of this systematic review was published on April 25, 2000. Cochrane reviews are regularly revised and updated if necessary. BACKGROUND: Several randomized controlled trials of the effects of anticholinergic drugs and β 2 receptor agonists in the treatment of childhood acute asthma