ca646b_0640 4 250 90000 ca646b_0640.dat 16 200.0(0)/mV 16 0 17 63801 0 II ca646b_0640.dat 16 200.0(0)/mV 16 0 -9 47947 0 aVR ca646b_0640.dat 16 200.0(0)/mV 16 0 -15 61711 0 V ca646b_0640.dat 16 4096.0(-2048)/NU 16 0 -1127 59894 0 PLETH