Patch-clamp recording of single channel GABA evoked currents in spinal cord neurons control A Vwwww GABA 2uM GABA 2uM Diazepam 20 nM ” GABA 2uM +Phenobarbital 500uM Patch-clamp recording of single channel GABA evoked currents in spinal cord neurons B A GABA 2uM control D C GABA 2uM + Diazepam 20 nM GABA 2uM +Phenobarbital 500uM ▼