Dendrodendritic inhibition in the olfactory bulb is driven by NMDA receptors.
Schoppa NE, Kinzie JM, Sahara Y, Segerson TP, Westbrook GL. Dendrodendritic inhibition in the olfactory bulb is driven by NMDA receptors. J Neurosci. 1998 Sep 01; 18(17):6790-802.