title: Meta-analysis.
authors.forename: J P
authors.initials: JP
authors.lastname: Pignon
authors.forename: R
authors.initials: R
authors.lastname: Arriagada
mesh_terms: D018288:Carcinoma, Small Cell / Q000532:radiotherapy; D006801:Humans; D008175:Lung Neoplasms / Q000532:radiotherapy; D015201:Meta-Analysis as Topic; D016017:Odds Ratio; D015996:Survival Rate; D016896:Treatment Outcome