Frühe Stadien der Erholung bei bestrahlten ratten und Mäusen |
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Authors: | Ursula Reincke J. Mellmann |
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Affiliation: | (1) Klinisches Strahleninstitut der Universität, 78 Freiburg im Breisgau, Deutschland |
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Abstract: | Summary A split dose experiment was performed in 12-, 24- or 32-day-old Wistar rats. About 4000 animals were used. The first dose given was 200 R whole-body X-irradiation in the 2 younger groups, and 260 R in the oldest group. At intervals from 6–48 h after the first, a second irradiation was given in order to estimate the LD50(30). No recovery was seen in terms of the LD50(30) differences between preirradiated and normal animals 6 h after the first dose. At the 12 h interval marked recovery was found in all 3 age groups, but less recovery was apparent at the later intervals. |
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