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Antitumor effects of different activities of 125I seed brachytherapy on H22 tumor-bearing mice after inserted administration; A. Tumor specimens; B. Tumor volume; C. Tumor weight; D. Body weight. *P < 0.05, tumor volume was statistically significant difference between four groups; **P < 0.01, tumor weight was statistically significant difference between four groups; #P = 0.42, the body weight of mice in different groups did not show significant difference.
