International Journal of Radiation Oncology*Biology*Physics
International Journal of Radiation Oncology, Biology, Physics > 1995 > 32 > 1 > 245-248
International Journal of Radiation Oncology, Biology, Physics > 1997 > 38 > 4 > 791-795
International Journal of Radiation Oncology, Biology, Physics > 2001 > 51 > 5 > 1431-1436