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Edwin R. Fisher, MD
University of Pittsburgh

JAMA. 1981;246(21):2431-2432.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

In Reply.—

It is apparent that Green and associates have failed to receive the message delivered by our recent study. The data indicate that there is a substantial overlap in the incidence of those microscopic features that have been heretofore regarded as inviolable evidence of CWP in the lungs of coal miners and urban dwellers. Dr Green and associates fail to indicate in what manner the selection of the two populations would detract from the conclusion rendered. According to them, one might conclude that a large segment of the urban population exhibits pulmonary changes warranting a diagnosis of CWP. That such persons or that all miners suffer from such a disease is not supported by clinical, radiological, or other evidence. What then is there about the identical changes encountered in the lungs of coal miners that prompts Dr Green and associates to intimate that these changes in lungs of coal . . . [Full Text PDF of this Article]

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