Lei, J. Paules, C. Nigrini, E. Rosenzweig, J.M. Bahabry, R. Farzin, A. Yang, S. Northington, F.J. Oros, D. McKenney, S. Johnston, M.V. Graham, E.M. Burd, I. Umbilical cord blood NOS1 as a potential biomarker of neonatal encephalopathy Front. pediatr. 10.3389/fped.2017.00112 2017 2017