1. Alexander S.P.H., Mathie A., Peters J.A. Ligand-Gated Ion Channels. Br J. Pharmacol. 2011; 164(Suppl.1):115-135. doi: m.nn/j.1476-538L201L01649_4.x
2. Purves D., Augustine G.J., Fitzpatrick D., Katz L.C., LaMantia A.S., McNamara J.O., Williams S.M., editors. Neuroscience. 2nd edition. Sunderland (MA): Sinauer Associates; 2001.
3. Awapara J., Landua A.J., Fuerst R., Seale B. Free gamma-aminobutyric acid in brain. J. Biol. Chem. 1950; 187(1):35-39.
4. Roberts. E., Frankel S., Harman PJ. Amino acids of nervous tissue. Proc. Soc. Exp. Biol. Med. 1950; 74(2):383-387.
5. Bazemore A., Elliott K.A., Florey E. Factor I and gamma-aminobutyric acid. Nature 1956; 178(4541): 1052-1053. doi: 10.1038/1781052a0