[A theoretical study on the goodness-fit of logistic curve of age-mortality of five main cancers in Qidong, Jiangsu].
D000367:Age Factors; D002681:China; D004938:Esophageal Neoplasms / Q000401:mortality*; D005260:Female; D006801:Humans; D008113:Liver Neoplasms / Q000401:mortality; D008175:Lung Neoplasms / Q000401:mortality*; D008297:Male; D008433:Mathematics; D009303:Nasopharyngeal Neoplasms / Q000401:mortality; D013274:Stomach Neoplasms / Q000401:mortality*