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. 2012 Aug 15;2012(8):CD004879. doi: 10.1002/14651858.CD004879.pub4
Methods See Slobodniuk 2002a
Participants
Interventions
Outcomes
Funding Source
Notes
Risk of bias
Bias Authors' judgement Support for judgement
PCS/RCS‐Selection Exposed cohort Unclear risk Not described
PCS/RCS‐Selection Non Exposed cohort Unclear risk Not described
PCS/RCS‐Comparability Unclear risk Not described
PCS/RCS‐Assessment of Oucome Unclear risk Not described
Summary assessments High risk Insufficient information to assess study design