ILO "A" and "B" reader classification.
Hodous
T K
TK
D001195:Asbestosis / Q000145:classification / Q000517:prevention & control*; D002568:Certification; D006266:Health Education / Q000379:methods*; D006801:Humans; D009314:National Institute for Occupational Safety and Health, U.S.; D014481:United States