EFFECT OF QUALITY OF CHEST RADIOGRAPHS ON THE CATEGORIZATION OF COALWORKERS' PNEUMOCONIOSIS

AUTOR(ES)
RESUMO

An investigation into the effect of variations in radiographic technical quality on pneumoconiosis reading standards in the Pneumoconiosis Field Research of the National Coal Board is reported. From the group of men for whom retake films had been obtained because of unsatisfactory technique of the originals, a trial series of pairs and triplets of films showing differing technique was assembled.

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