Since a century of near half, outbreak rate and death rates of the lung cancer all at increase year by year, still seldom seen disease in lung cancer in the beginning of 20 centuries, has occupied to the end lung cancer of 20 centuries the malignant tumor die first.The data of the periodical announcement in World Health Organization( WHO) indicate that the outbreak rate of the lung cancer all report the obvious and buoyant trend with death rate in the international community, is a nation that industry prosper particularly.At many prosper national lung cancer is the first that one of the most familiar malignant tumors, male and familiar malignant tumor in row, female and familiar malignant tumor in row the 2 and 3. 28 inquisition for prospering national announcements statisticses the data manifestation lung cancer has become the malignant tumor the inside the most familiar death reason.
For example the United States 1990 the lung cancer adds the case count for 15.4 myriad people, death number is 14.6 myriad people, reside male outbreak rate and death rate of first.Many national researchers to different human race, different region, the different occupation waits for someone a cluster of proceed the large-scale Epidemiology investigate, acquiring many precious data, for our further understanding lung cancer 的发生和发展奠定了基 ? For example the United States gets the gram 萨斯 state in 1944 to 1966 proceeding continuously for 23 years of tight check against the research, observes 56 close together counties with the cancer outbreak rate of 3 main races, involve roughly 400 myriad people, occupy the total population in whole state of 1/3 or so.Because the source of the data is thorough and dependable, compare to reflect the different city, industry area, ocean harbor, agriculture Chuang accurately completely, and different degree of latitude region, different climatic zone( from temperate zone to tropical zone subtropics), different heredity factor, sex age etc. many factors, is a difficult can valuable science data, should study the data conduct and actions prosper the national cancer outbreak to miniature investigatively and example.
For example the United States 1990 the lung cancer adds the case count for 15.4 myriad people, death number is 14.6 myriad people, reside male outbreak rate and death rate of first.Many national researchers to different human race, different region, the different occupation waits for someone a cluster of proceed the large-scale Epidemiology investigate, acquiring many precious data, for our further understanding lung cancer 的发生和发展奠定了基 ? For example the United States gets the gram 萨斯 state in 1944 to 1966 proceeding continuously for 23 years of tight check against the research, observes 56 close together counties with the cancer outbreak rate of 3 main races, involve roughly 400 myriad people, occupy the total population in whole state of 1/3 or so.Because the source of the data is thorough and dependable, compare to reflect the different city, industry area, ocean harbor, agriculture Chuang accurately completely, and different degree of latitude region, different climatic zone( from temperate zone to tropical zone subtropics), different heredity factor, sex age etc. many factors, is a difficult can valuable science data, should study the data conduct and actions prosper the national cancer outbreak to miniature investigatively and example.
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