title: Can early stopping procedures impact significantly on the efficiency of clinical trials without serious loss of information?
mesh_terms: D001699:Biometry; D002986:Clinical Trials as Topic / Q000379:methods* / Q000639:trends; D003657:Decision Making; D006801:Humans; D009316:National Institutes of Health (U.S.); D013997:Time Factors; D014481:United States