1. User's manual: the national death index;National Center for Health Statistics;(PHS); DHSS publ No,1981
2. Eighth revision, international classification of diseases, adapted for use in the United States;US Department of Health, Education, and Welfare,1976
3. Retrospective cohort mortality study of workers at an aircraft maintenance facility. II Exposures and their assessment;Stewart, P.A.; Lee, J.S.; Marano, D.E.; Spirtas, R.; Forbes, C.D.; Blair, A.;(Br J Ind Med,1991
4. OCMAP: A user-oriented occupational cohort mortality analysis program;Marsh, G.M.; Preininger, M.;American Statistician,1980
5. Significant factors for ratio of a Poisson variable to its expectation;Bailar, III, J.C.; Ederer, F.;Biometrics,1964