Airy GB (1861). On the algebraical and numerical theory of errors and observations and the combination of observations. Cambridge: Macmillan.

Pearson K (1904). Report on certain enteric fever inoculation statistics. BMJ 3:1243-1246.

Goldberger J (1907). Typhoid "bacillus carriers." In: Rosenau MJ, Lumsden LL, Kastle JH. Report on the origin and prevalence of typhoid fever in the District of Columbia. Hygienic Laboratory, Bulletin No 35, pp 167-174.

Pratt JG, Rhine JB, Smith BM, Stuart CE, Greenwood JA (1940). Extra-sensory perception after sixty years: a critical appraisal of the research in extra-sensory perception. New York: Henry Holt.

Stjernswärd J (1974). Decreased survival related to irradiation postoperatively in early breast cancer.  Lancet 304:1285-1286.

Glass GV, McGaw B, Smith ML (1981). Meta-analysis in social research. Newbury Park: Sage Publications.

Hunter JE, Schmidt FL, Jackson GB (1982). Meta-analysis: cumulating research findings across studies. Beverly Hills , Ca: Sage Publications.

Hedges LV, Olkin I (1985). Statistical methods for meta-analysis. Orlando: Academic Press.

Light RJ, Pillemer DB (1985). Summing up. Cambridge: Harvard University Press.

Jenicek M (1987). Méta-analyse en médecine. Évaluation et synthèse de l’information clinique et épidémiologique. St.Hyacinthe and Paris: EDISEM and Maloine Éditeurs.

Jenicek M (1989). Meta-analysis in medicine: where we are and where we want to go. Journal of Clinical Epidemiology 42:35-44.

Antman EM, Lau J, Kupelnick B, Mosteller F, Chalmers TC (1992). A comparison of results of meta-analyses of randomized control trials and recommendations of clinical experts. JAMA 268:240-48.

Pettiti DB (1994). Meta-analysis, decision analysis, and cost-effectiveness analysis: Methods for qauntiative synthesis in medicine. New York: Oxford University Press.

Chalmers I, Altman DG (1995). Systematic Reviews. London: BMJ Publications.

Egger M, Davey Smith G, Altman DG (2001). Systematic reviews in health care. London: BMJ Books.