[Epidemiology of chronic bronchitis in workers of metallurgic industries].
D000328:Adult; D000395:Air Pollutants, Occupational; D001991:Bronchitis / Q000139:chemically induced / Q000453:epidemiology*; D002908:Chronic Disease; D004781:Environmental Exposure; D006801:Humans; D007558:Italy; D008297:Male; D008669:Metallurgy; D008875:Middle Aged; D011009:Pneumoconiosis / Q000453:epidemiology*; D012306:Risk; D012907:Smoking
D000395:Air Pollutants, Occupational
Rilievi epidemiologici sulla bronchite cronica in categorie di lavoratori della industria siderurgica.