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      Nomograms for calculating the number of patients needed for a clinical trial with survival as an endpoint.

      Bioethics
      Clinical Trials as Topic, methods, Humans, Models, Biological, Neoplasms, drug therapy, mortality, Probability

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          Abstract

          This paper presents nomograms for calculating the sample size for a clinical trial with survival as an endpoint. The nomograms are valid when survival is exponential and patients enter the study uniformly.

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          Journal
          7082758
          10.2307/2530299

          Chemistry
          Clinical Trials as Topic,methods,Humans,Models, Biological,Neoplasms,drug therapy,mortality,Probability

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