Guidelines for the use of the ILO international classification of radiographs of pneumoconioses

1.0 3600 rich Guidelines for the use of the ILO international classification of radiographs of pneumoconioses https://library.upol.cz/arl-upol/cs/detail-upol_us_cat-0108299-Guidelines-for-the-use-of-the-ILO-international-classification-of-radiographs-of-pneumoconioses/