[Progress in research on evaluation method of lifting equation of National Institute for Occupational Safety and Health of USA].
Foundation Policlinico Mangiagalli.
Lei
L
Cao
Li-Hua
LH
He
Sheng
S
Wang
D006804:Ergonomics; D006801:Humans; D017770:Lifting; D009314:National Institute for Occupational Safety and Health, U.S.; D016272:Occupational Health; D014481:United States