Why are so few randomized trials useful, and what can we do about it?

被引:47
作者
Zwarenstein, Merrick
Oxman, Andy
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D O I
10.1016/j.jclinepi.2006.05.010
中图分类号
R19 [保健组织与事业(卫生事业管理)];
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页码:1125 / 1126
页数:2
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