[Effect of basic occupational health service on prevention and treatment of occupational diseases].
Yu
Xin-tian
XT
Qiu
Xing-yuan
XY
Lv
Hui-zhong
HZ
D006801:Humans; D009784:Occupational Diseases / Q000453:epidemiology* / Q000517:prevention & control*; D009786:Occupational Health Services