Coal dust deposition--rare cause of "black esophagus".
Khan
H A
HA
D000368:Aged; D000369:Aged, 80 and over; D003031:Coal; D004391:Dust; D004947:Esophagus / Q000473:pathology*; D006801:Humans; D008297:Male; D011009:Pneumoconiosis / Q000150:complications
D003031:Coal; D004391:Dust