Why read papers at all? -- Searching the literature -- Getting your bearings: what is this paper about? -- Assessing methodological quality -- Statistics for the non-statistician -- Papers that report drug trials -- Papers that report diagnostic or screening tests -- Papers that summarise other papers (systematic reviews and meta-analyses) -- Papers that tell you what to do (guidelines) -- Papers that tell you what things cost (economic analyses) -- Papers that go beyond numbers (qualitative research) -- Papers that report questionnaire research -- Getting evidence into practice.