title: Causal inference for definitive clinical end points in a randomized clinical trial with intervening nonrandomized treatments.
authors.forename: Edward L
authors.initials: EL
authors.lastname: Korn
authors.forename: Boris
authors.initials: B
authors.lastname: Freidlin
mesh_terms: D000970:Antineoplastic Agents / Q000627:therapeutic use*; D015984:Causality; D018572:Disease-Free Survival; D006801:Humans; D053208:Kaplan-Meier Estimate; D015233:Models, Statistical; D009447:Neuroblastoma / Q000188:drug therapy* / Q000601:surgery*; D011379:Prognosis; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D012107:Research Design; D012307:Risk Factors; D033581:Stem Cell Transplantation; D014182:Transplantation, Autologous; D016896:Treatment Outcome
chemical_list: D000970:Antineoplastic Agents