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Changes in contraction following verapamil treatment of bladder smooth muscle from normal or DM rats. ACh-induced contraction. (A) Verapamil, (B) U73122, (C) Chelerythrine was added at 10−6 M. ACh was added at 10−4 M. Each point represents the mean ± SEM (n=6). *p<0.05 by Student’s t-test.
