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Effects of bacitracin, neomycin, and penicillin V in the presence of TTX on (A) Colon SW Velocity (B) Colon SW Frequency (C) Jejunum SW Velocity and (D) Jejunum SW frequency. Lack of statistical effect of bacitracin (1.42 mg/ml), neomycin (0.91 mg/ml), and penicillin V (3.88 mg/ml) on SW contractions in the presence of 1 μM TTX in the colon (n = 4) and jejunum (n = 8).
