共 34 条
[1]
*AG HEALTHC RES QU, 2004, PUBL US FIL
[2]
[Anonymous], 2013, North American Industry Classification System
[3]
[Anonymous], BLS HDB METH
[7]
*BLS, ANN SURV OCC ILLN IN
[8]
*BLS, CENS EMPL STAT
[9]
Bureau of Labor Statistics (BLS), Q CENS EMPL WAG
[10]
Burnett CA, 1998, AM J IND MED, V34, P568, DOI 10.1002/(SICI)1097-0274(199812)34:6<568::AID-AJIM4>3.0.CO