title: Thas nowt so blind as 'em that won't see.
authors.affiliation: Centre for Reviews and Dissemination, University of York, York YO10 5DD, UK.
authors.forename: Bob
authors.initials: B
authors.lastname: Phillips
mesh_terms: D015982:Bias; D019317:Evidence-Based Medicine / Q000379:methods*; D006801:Humans; D010372:Pediatrics; D012107:Research Design
keywords: Evidence Based Medicine; Statistics