“…In some occupational groups positive associations with esophageal cancer have previously been found, e.g. among workers in the rubber industry, automobile building industry workers, chimney sweeps, mine workers, individuals working with chemical products, medical X-ray workers, workers in the cement industry, plastics and composites industry workers, dye production industry workers, bookbinders, individuals with administrative jobs, health professionals, dry cleaning workers and asphalt workers [25][26][27][28][29][30][31][32][33][34][35][36][37][38]. Specific exposures and agents that have been linked with esophageal cancer include metal dust, asbestos, silica dust, combustion products, sulphuric acid, carbon black and organic solvents [39][40][41][42][43][44][45][46][47].…”