* Maltoni CFM, Holland JF (2000). "Chapter 16: Physical Carcinogens". In Bast RC, Kufe DW, Pollock RE, et al. Holland-Frei Cancer Medicine (5th ed.). Hamilton, Ontario: B.C. Decker. ISBN 1-55009-113-1 | * Maltoni CFM, Holland JF (2000). "Chapter 16: Physical Carcinogens". In Bast RC, Kufe DW, Pollock RE, et al. Holland-Frei Cancer Medicine (5th ed.). Hamilton, Ontario: B.C. Decker. ISBN 1-55009-113-1 |