Postnatal changes in the nitric oxide system of the rat cerebral cortex after hypoxia during delivery /2003/ Fernández AP,  Alonso D,  Lizasoain I; Serrano JJ,  Leza J, Bentura ML, López-Ramos JC; Encinas JM, Fernández-Vizarra P, Castro S, Martínez A, Martínez-Murillo R, Lorenzo P, Pedrosa JA, Peinado MA, Rodrigo J. Developmental Brain Research. 142 – 2, pp. 177 – 192. Elsevier. doi: 10.1016/s0165-3806(03)00068-3.