[Application of meta-analysis in epidemiological study of occupational neoplasms].
D002681:China / Q000453:epidemiology; D006801:Humans; D015201:Meta-Analysis as Topic; D009369:Neoplasms / Q000139:chemically induced / Q000453:epidemiology*; D009784:Occupational Diseases / Q000139:chemically induced / Q000453:epidemiology*