title: Stopping rules, interim analyses and data monitoring committees.
authors.forename: D
authors.initials: D
authors.lastname: Ashby
authors.forename: D
authors.initials: D
authors.lastname: Machin
mesh_terms: D026683:Advisory Committees; D026661:Clinical Trials Data Monitoring Committees; D003627:Data Interpretation, Statistical; D004992:Ethics, Medical; D006801:Humans; D009369:Neoplasms / Q000628:therapy*; D010344:Patient Advocacy; D011367:Professional Staff Committees; D016032:Randomized Controlled Trials as Topic / Q000379:methods* / Q000592:standards* / Q000706:statistics & numerical data; D012107:Research Design; D018570:Risk Assessment