title: What is the prior probability of a proposed new treatment being superior to established treatments?
authors.forename: I
authors.initials: I
authors.lastname: Chalmers
mesh_terms: D002648:Child; D002675:Child, Preschool; D002986:Clinical Trials as Topic; D006801:Humans; D054198:Precursor Cell Lymphoblastic Leukemia-Lymphoma / Q000628:therapy*; D016896:Treatment Outcome