1. In vitro cell transformation with chemical carcinogens;Berwald;Nature,1963
2. Carcinoma of the lung in workmen in the bichromate-producing industry in Great Britain;Bidstrup;Brit. J. Ind. Med.,1956
3. Transformation of mammalian cells in vitro by low doses of X-rays;Borek;Nature,1973
4. In vitro transformation of BHK21 cells grown in the presence of calcium chromate;Fradkin;Cancer Res.,1975
5. A survey of metal carcinogenesis;Furst;Progr. Exptl. Tumor Res.,1969