Recent results of carcinogenicity bioassays of fibres and other particulate materials.

@article{Maltoni1989RecentRO,
  title={Recent results of carcinogenicity bioassays of fibres and other particulate materials.},
  author={Cesare Maltoni and Franco Minardi},
  journal={IARC scientific publications},
  year={1989},
  volume={90},
  pages={46-53}
}
Different types of natural, commercial and modified asbestos fibres were tested in a highly standardized manner by peritoneal injection into rats and mice in order to assess their carcinogenicity. Differences in mesotheliomatogenic effect were found between the various materials tested. Of particular interest is the finding that treatment of the fibres with phosphorus oxychloride and heating to 300 degrees C markedly reduces the carcinogenicity of chrysotile fibres. 
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