Epipodophyllotoxins, alkylating agents, and radiation and risk of secondary leukaemia after childhood cancer.

od Hawkins, M. M., Wilson, L. M., Stovall, M. A., Marsden, H. B., Potok, M. H., Kingston, J. E., Chessells, J. M.
Wydane 1992

A study of soft tissue sarcomas after childhood cancer in Britain

od Jenkinson, H C, Winter, D L, Marsden, H B, Stovall, M A, Stevens, M C G, Stiller, C A, Hawkins, M M
Wydane 2007