Blackening of the oesophagusBMJ 1994; 308 doi: https://doi.org/10.1136/bmj.308.6930.722a (Published 12 March 1994) Cite this as: BMJ 1994;308:722
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- G A K Missen
- London SE3 7PH.
EDITOR, - Hamid A Khan and David Owens illustrate a circumscribed area of black pigmentation of the mid-oesophageal mucosa of an 84 year old former coal miner with a history of pneumoconiosis. …