Sputum cytology among aluminum potroom workers.
D000535:Aluminum; D006801:Humans; D008297:Male; D008669:Metallurgy; D009784:Occupational Diseases / Q000139:chemically induced*; D012142:Respiratory Tract Neoplasms / Q000139:chemically induced*; D013183:Sputum / Q000166:cytology*
D000535:Aluminum