Neuronal and inducible nitric oxide synthase and nitrotyrosine immunoreactivities in the cerebral cortex of the aging rat /1998/ Uttenthal O, Alonso D, Fernández AP, Campbell RO, Moro MA, Leza J Lizasoain I Esteban FJ,  Barroso JB,  Valderrama R,  Pedrosa JA,  Peinado MA, Serrano J, Richart A, Bentura ML, Santacana M, Martínez-Murillo R, Rodrigo J. Microscopy Research and Technique. 43 – 1, pp. 75 – 88. Wiley. PMID: 9829462, 1998. DOI: 10.1002/(SICI)1097-0029(19981001)43:1<75::AID-JEMT11>3.0.CO;2-0