If there are no randomised controlled trials, do we always need more research?

被引:3
作者
Hammerstrom, Karianne Thune [1 ]
Bjorndal, Arild [1 ]
机构
[1] Norwegian Knowledge Ctr Hlth Serv, Campbell Collaborat, Oslo, Norway
来源
COCHRANE DATABASE OF SYSTEMATIC REVIEWS | 2011年 / 03期
关键词
D O I
10.1002/14651858.ED000024
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
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页数:4
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