(Q38520298)
Statements
1 reference
An introduction to methodological issues when including non-randomised studies in systematic reviews on the effects of interventions (English)
1 reference
Peter Tugwell
1 reference
Julian P T Higgins
1 reference
George A Wells
1 reference
Beverley Shea
1 reference
Barnaby C Reeves
1 reference
Craig Ramsay
1 reference
24 January 2013
1 reference
1 reference
4
1 reference
1
1 reference
1-11
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
Identifiers
1 reference
1 reference