[Survey on fatigue status among locomotive engineers].
Wang
Xin-chun
XC
Zheng
Xiu-ling
XL
Tao
Ming-rui
MR
D001248:Asthenopia / Q000453:epidemiology / Q000209:etiology; D005221:Fatigue / Q000453:epidemiology* / Q000209:etiology; D006801:Humans; D009784:Occupational Diseases / Q000453:epidemiology*; D011890:Railroads; D012494:Sampling Studies