Bilge, H Effects of immobilization beds on the dose in the entrance and exit dose region for Co-60, 4, 6 and 15 MV photons. [electronic resource] - Journal of B.U.ON. : official journal of the Balkan Union of Oncology - 385-90 p. digital Publication Type: Journal Article ISSN: 1107-0625 Subjects--Topical Terms: BedsCobalt RadioisotopesDose-Response Relationship, RadiationHumansPhantoms, ImagingPhotonsPolystyrenesRadiation DosageRadiation ProtectionRadiotherapy DosageRadiotherapy, High-Energy--instrumentation