Author： Gasinska A. De Ruiter-Bootsma A. Davids J.A.G. Folkard M. Fowler J.F.
Publisher： Informa Healthcare
ISSN： 1362-3095
Source： International Journal of Radiation Biology, Vol.52, Iss.2, 1987-08, pp. : 237-243
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Abstract
The most radiation-sensitive cells in the testis are B and intermediate spermatogonia. We have used a histological scoring technique to compare three neutron beams of different mean energies (1 MeV at the ECN, Petten, 2·3 MeV at the Gray Laboratory, Northwood, and 5·6 MeV at the Oncological Centre, Krakow).CBA inbred mice, 14-20 weeks old, were exposed to whole-body irradiation with single doses of either X-rays (0·1-1 Gy) or neutrons (0·2-0·25 Gy).Relative biological effectiveness values, calculated at the level of 50 per cent reduction in survival of B spermatogonia, were 5·7 at the ECN, Petten, 4·6 at the Gray Laboratory and 3·0 at the Oncological Centre in Krakow. The
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