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Figure 5 :Effects of PTX treatment on excitation threshold overshoot and action potential amplitudes; (a) (control, n = 4, 40 muscle fibers; PTX-treated n = 7, 40 muscle fi bers) half rise and half decay times recorded from diaphragm muscles by indirect stimulation; (b) (control, n = 4 muscles and 59 fibers; PTX-treated, n = 12 muscles and 40 fibers, *P < 0.05); P < 0.05, the Mann-Whitney U-test

Figure 5 :Effects of PTX treatment on excitation threshold overshoot and action potential amplitudes; (a) (control, n = 4, 40 muscle fibers; PTX-treated n = 7, 40 muscle fi bers) half rise and half decay times recorded from diaphragm muscles by indirect stimulation; (b) (control, n = 4 muscles and 59 fibers; PTX-treated, n = 12 muscles and 40 fibers, *P < 0.05); P < 0.05, the Mann-Whitney U-test