title: Routinely collected data may usefully supplement randomised controlled data on treatment effects for mortality.
authors.affiliation: Department of Biostatistics, Centre Léon Bérard, 69373 Lyon cedex 20, France.
authors.forename: David
authors.initials: D
authors.lastname: Pérol
authors.affiliation: R&D Unicancer, Paris, France.
authors.forename: Mathieu
authors.initials: M
authors.lastname: Robain
authors.affiliation: Department of Cancer Medicine, Institut Gustave Roussy, Villejuif, France.
authors.forename: Suzette
authors.initials: S
authors.lastname: Delaloge
authors.affiliation: R&D Unicancer, Paris, France.
authors.forename: Christian
authors.initials: C
authors.lastname: Cailliot
mesh_terms: D003625:Data Collection; D006801:Humans