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Histological and autoradiographic changes in locally irradiated lymph nodes (an experimental study on rabbits).

The authors studied the local effect of 3000 Rxl X-ray irradiation on the popliteal lymph nodes of rabbits. Beside the morpho-histological description autoradiography was performed after injection of H3-thymidine in the afferent lymphatic of the irradiated knee node. The main finding is the appearance of newly-formed germinal centers between the 6-10. days after irradiation.