[Role of allergic factors in the asthmatic-like dyspnea of coal miners].
D003031:Coal; D004417:Dyspnea; D006801:Humans; D006967:Hypersensitivity; D008906:Mining; D009784:Occupational Diseases; D012130:Respiratory Hypersensitivity
D003031:Coal
DYSPNEA; MINING; OCCUPATIONAL DISEASES; RESPIRATORY ALLERGY