International Journal of Radiation Oncology Biology Physics, 112(2), 390-399. Elsevier Inc. International Journal of Radiation Oncology, Biology, Physics, 112(2), 390-399. ELSEVIER SCIENCE INC International Journal of Radiation Oncology Biology Physics, 112(2), 390-399. Elsevier Science International Journal of Radiation Oncology-Biology-Physics, 112(2), 390-399. ELSEVIER SCIENCE INC