RT Journal Article SR Electronic T1 Imaging of Back Pain in Children JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A1832 A1 D.P. Rodriguez A1 T.Y. Poussaint YR 2009 UL http://www.ajnr.org/content/early/2009/11/19/ajnr.A1832.abstract AB