1. Applying overviews in meta-analysis at the bedside. J. Clin.;Chalmers;Epidemiol,1995
2. The number needed to treat: a clinically useful measure of treatment effect. Br. Med.;Cook;J,1995
3. New analgesics, J. Am. Med.;Denton;Assoc,1949
4. Meta-analysis, Lancet.;Harvey,1993
5. Deriving dichotomous outcome measures from continuous data in randomised controlled trials of analgesics.;Moore;Pain,1996