%0 Journal Article %T THE DETERMINATION OF THE VARIATION OF EFFECTIVE SOURCE TO SKIN DISTANCE WITH FIELD SIZE AND ELECTRON ENERGY ON SATURNE 42 LINEAR ACCELERATOR %A BASRİ GÜNHAN, %A AYŞE KOCA, %A BAYRAM DEMİR, %A SONGÜL KARAÇAM, %J Turk J Oncol %D 2002 %V 17 %P 086-089 %R