RT Journal Article SR Electronic T1 Cerebral Aneurysms in a Patient with Osteogenesis Imperfecta and Exon 28 Polymorphism of COL1A2 JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A0727 A1 Allan Fox A1 Sean Symons A1 Richard Aviv YR 2007 UL http://www.ajnr.org/content/early/2007/10/04/ajnr.A0727.abstract AB