共 15 条
[2]
GERWEL B, 1993, DIRECTORY OCCUPATION
[3]
GERWEL B, 1993, SURVEILLANCE OCCUPAT
[7]
SOKAS RK, 1987, J OCCUP ENVIRON MED, V29, P414
[8]
TEPPER A, 1989, AM J PUBLIC HEALTH, V82, P275
[9]
WEEKS JL, 1991, PREVENTING OCCUPATIO, P380
[10]
1990, COHPS MODEL CONTRACT