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Publikováno v:
BMC Gastroenterology, Vol 11, Iss 1, p 1 (2011)
BMC Gastroenterology
BMC Gastroenterology
Background Researchers in the medical sciences prefer employing Cox model for survival analysis. In some cases, however, parametric methods can provide more accurate estimates. In this study, we used Weibull model to analyze the prognostic factors in