RT Journal Article SR Electronic T1 High-resolution CT of the petrous bone: direct vs. Reformatted images. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 391 OP 394 VO 3 IS 4 A1 Turski, P A1 Norman, D A1 DeGroot, J A1 Capra, R YR 1982 UL http://www.ajnr.org/content/3/4/391.abstract AB