[Chronic bronchitis in welders].
D000328:Adult; D000368:Aged; D001991:Bronchitis / Q000453:epidemiology*; D002908:Chronic Disease; D006801:Humans; D007558:Italy; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases; D012907:Smoking / Q000150:complications; D014896:Welding
La bronchite cronica nei saldatori.