Book

Altman, Douglas G (1991) Practical statistics for medical research. Florida: CRC Press .

Altman, Douglas G and Machin, David and Bryant, Trevor N and Gardner, Martin J (2000) Statistics with confidence: Confidence intervals and statistical guidelines. London: BMJ Books .

Egger, Matthias and Davey Smith, George and Altman, Douglas G, eds. (2001) Systematic reviews in health care: meta-analysis in context. London: BMJ Publishing .