ILO homeTopicsSafety and health at workResource library Publications & technical toolsGuidelines for the use of the ILO International Classification of ... Guidelines for the use of the ILO International Classification of Radiographs of Pneumoconioses - revised edition 2022 Download: Guidelines for the use of the ILO International Classification of Radiographs of Pneumoconioses - revised edition 2022pdf - 0.8 MB