Calcium influx through NMDA receptors directly evokes GABA release in olfactory bulb granule cells.
Halabisky B, Friedman D, Radojicic M, Strowbridge BW. Calcium influx through NMDA receptors directly evokes GABA release in olfactory bulb granule cells. J Neurosci. 2000 Jul 01; 20(13):5124-34.