Brain size and white matter content of cerebrospinal tracts determine the upper cervical cord area: evidence from structural brain MRI. Engl C, Schmidt P, Arsic M, Boucard CC, Biberacher V, Röttinger M, Etgen T, Nunnemann S, Koutsouleris N, Reiser M, et al. Neuroradiology. 2013 May 29. PMID: 23715746. Abstract CommentRecommendBookmarkWatch