Additional file 1: of Methods of sample size calculation in descriptive retrospective burden of illness studies
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Sample size calculator. The authors have provided an Excel sample size calculator as supplementary material (Additional file 1) to help guide editors and reviewers through the approach presented. If the article is published, the authors are interested in expanding the Excel calculator to an interactive website to facilitate use of the methods by other researchers. (XLSX 15 kb)
创建时间：
2019-01-10
