[Studies on the increased deposition of dust--sodium chloride aggregates in the upper respiratory tract of man].
D003032:Coal Mining; D004391:Dust; D006801:Humans; D008297:Male; D011009:Pneumoconiosis / Q000209:etiology*; D012965:Sodium Chloride; D014132:Trachea
D004391:Dust; D012965:Sodium Chloride
COAL MINING; PNEUMOCONIOSIS/etiology; SODIUM CHLORIDE