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. 2015 Apr 13;2015(4):CD009891. doi: 10.1002/14651858.CD009891.pub2
RCT/Quasi/CCT  (delete as appropriate) Relevant participants Relevant interventions Relevant outcomes
 
Yes/No/Unclear
 
Yes/No/Unclear
 
Yes/No/Unclear
 
Yes/No*/Unclear