共 42 条
[6]
*BUR LAB STAT, 2007, INC RAT NONF OCC INJ
[7]
*BUR LAB STAT, 1992, OCC INJ ILL CLASS MA
[8]
Bureau of Labor Statistics, 2006, INC RAT NONF OCC INJ
[10]
COHEN HH, 1982, FALL ACCIDENT PATTER, P16