The expression of contextual fear conditioning involves activation of a NMDA receptor-nitric oxide-cGMP pathway in the dorsal hippocampus of rats - Fabri, Denise R. S.; Hott, Sara C.; Reis, Daniel G.; Biojone, Caroline; Corrêa, Fernando Morgan de Aguiar; Resstel, Leonardo Barbosa Moraes (European Neuropsychopharmacology, 2014)