the effects of inhibitory ( gamma-aminobutyric acid ( gaba ) and glycine ) and excitatory ( l-glutamate and dl-homocysteate , dlh ) amino acids on the excitability of respiratory bulbospinal neurons were studied in decerebrate , paralyzed , bilaterally vagotomized , artificially ventilated cats .
C0017890
glycine
C0002520
amino acids