1.
Glycine potentiates the NMDA response in cultured mouse brain neurons.
by Johnson, J W
Nature, 1987 Feb 5-11, Vol.325(6104), pp.529-531

2.
Two different excitatory transmitters acting on a single molluscan neurone
by Gerschenfeld, H M
Nature, 28 January 1967, Vol.213(5074), pp.358-9

3.
Voltage sensitivity of acetylcholine currents in Aplysia neurones in the presence of curare
by Marty, A
Nature, 10 June 1976, Vol.261(5560), pp.501-3
