title: Combining results from several clinical trials.
authors.affiliation: Section of Medical Statistics, Clinical Research Centre, Middlesex.
authors.forename: D G
authors.initials: DG
authors.lastname: Altman
authors.forename: D
authors.initials: D
authors.lastname: Elbourne
mesh_terms: D002986:Clinical Trials as Topic; D012107:Research Design; D013223:Statistics as Topic