The construction industry.
Ringen
Knut
K
The Center To Protect Workers Rights, Seattle, WA 98166, USA. knutringen@msn.com
Englund
Anders
A
D006801:Humans; D009784:Occupational Diseases / Q000517:prevention & control; D016273:Occupational Exposure; D016272:Occupational Health; D014481:United States