RT Journal Article SR Electronic T1 Brain Metabolite Levels Assessed by Lactate-Edited MR Spectroscopy in Premature Neonates with and without Pentobarbital Sedation JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A0912 A1 Z.J. Wang A1 D.B. Vigneron A1 S.P. Miller A1 P. Mukherjee A1 N.N. Charlton A1 Y. Lu A1 A.J. Barkovich YR 2008 UL http://www.ajnr.org/content/early/2008/01/09/ajnr.A0912.abstract AB