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Coffee worker's lung
  1. D. W. Van Toorn
  1. Institute of Pathology, State University of Utrecht, The Netherlands

    A new example of extrinsic allergic alveolitis


    A man who worked for more than 20 years in a coffee-roasting factory developed lung lesions. By immunological investigations it was proven that there were circulating antibodies against coffee-bean dust in the patient's serum. Immunofluorescence of the lung biopsy demonstrated deposits of IgG and complement along the alveolar capillaries. The histological features are described.

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