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. 1987 Nov;10(3):247-52.
doi: 10.1016/s0167-8140(87)80010-5.

OER and RBE for 125I and 192Ir at low dose rate on mammalian cells

E R Hering  1 , G R Sealy, P Dowman, G Blekkenhorst
Affiliations

OER and RBE for 125I and 192Ir at low dose rate on mammalian cells

E R Hering et al. Radiother Oncol. 1987 Nov.

Abstract

The oxygen enhancement ratio (OER) for 125I and 192Ir as well as the relative biological effectiveness (RBE) at low dose rates (40-80 cGy h-1) were determined for B16 melanoma cells in culture. The OER was found to be 2.1 +/- 0.03 for 125I and 2.7 +/- 0.04 for 192Ir. The RBE for 125I relative to 192Ir was determined as 1.8 +/- 0.03 under aerated conditions and as 2.4 +/- 0.03 under hypoxia.

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