4National Center for Health Statistics. Technical Note.Monthly Vital Statistics Report [R] ; Vol. 38, No.5 Hyattsville, Maryland; Publie Health Serviee, 1989,18 - 19.
5Takala J Global. Estimates of Fatal Occupational Accidents [ R]. Geneva: Sixteenth International Conference of Labor Statisticians, 1998.
6Rantanen J. Chemical Safety-a Key Issue in Occupational Health [J].Chem Saf, 1997, 4: 10- 13.
7Knan FI, Abbasi SA. Major accidents in process industries and an analysis of causes and consequences [J ].J Loss Prey Process Ind, 1999, 12:361 -378.
8Butani SJ. Relative risk analysis of injuries in coal mining by age and experience at present company [J]. Oceup Accid, 1988, 10: 209-216.
9Biddle J, Roberts K, Roseman D, et al. What percentage of workers with work-related illness receive workers' compensation benefits [J ]. Occup Environ Med,1998, 40: 325-331.
10McCarty DJ, Tull ES, Moy CS, et al. Ascertainment corrected rates: Application of capture-recapture methods[J].Int J Epidemiol, 1993, 22: 559-565.