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Effect of RA‐VII on tumor growth in mice. Lewis lung carcinoma (LLC) cells were inoculated into C57/Bl6 mice, and tumor growth was observed. From 8 days after the inoculation, RA‐VII was administered every day for 7 days. At day 15, the animals were killed and tumors excised. (a) Tumor progression, (b) weight of excised tumors, and (c) bodyweight. Arrows indicate times of RA‐VII injection. Values are expressed as mean ± SD of four animals. *P < 0.05, **P < 0.01 versus vehicle.
