title: Bias and trials stopped early for benefit.
authors.forename: Edward L
authors.initials: EL
authors.lastname: Korn
authors.forename: Boris
authors.initials: B
authors.lastname: Freidlin
authors.forename: Margaret
authors.initials: M
authors.lastname: Mooney
mesh_terms: D015982:Bias; D009369:Neoplasms / Q000628:therapy; D016032:Randomized Controlled Trials as Topic / Q000941:ethics / Q000706:statistics & numerical data*; D018401:Sample Size; D016896:Treatment Outcome