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Irregularly shaped small shadows on chest radiographs, dust exposure, and lung function in coalworkers' pneumoconiosis.

    Citation

    Collins HP, Dick JA, Bennett JG, et al
    Irregularly shaped small shadows on chest radiographs, dust exposure, and lung function in coalworkers' pneumoconiosis.

    Publication history

    • First published January 1, 1988.
    Online issue publication 
    April 27, 2016

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