Search results for: Yu yan
International Journal of Radiation Oncology, Biology, Physics > 1998 > 40 > 3 > 703-711
International Journal of Radiation Oncology, Biology, Physics > 1997 > 37 > 2 > 429-433
International Journal of Radiation Oncology, Biology, Physics > 1996 > 34 > 3 > 717-725