[Effects of exposure to carbon monoxide in employees of a city gas production industry].
D001699:Biometry; D002248:Carbon Monoxide / Q000633:toxicity*; D006801:Humans; D007221:Industry; D009784:Occupational Diseases / Q000706:statistics & numerical data*
D002248:Carbon Monoxide
CARBON MONOXIDE/toxicology; OCCUPATIONAL DISEASES/statistics