Cannabidiol inhibits inducible nitric oxide synthase protein expression and nitric oxide production in β-amyloid stimulated PC12 neurons through p38 MAP kinase and NF-κB involvement - Esposito, G; De Filippis, D; Maiuri, M C; De Stefano, D; Carnuccio, R; Iuvone, T (Neurosci Lett, 2006)