(Q35420035)
Statements
1 reference
Systematic reviews of health effects of social interventions: 1. Finding the evidence: how far should you go? (English)
1 reference
David Ogilvie
1 reference
Mark Petticrew
1 reference
Val Hamilton
1 reference
Matt Egan
1 reference
1 September 2005
1 reference
1 reference
1 reference
Identifiers
1 reference