RT Journal Article SR Electronic T1 Would Our Treatment Decisions Be Better Justified in the Absence of Observational Data? JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E180 OP E180 DO 10.3174/ajnr.A2755 VO 32 IS 9 A1 Laakso, A. A1 Niemelä, M. A1 Hernesniemi, J. YR 2011 UL http://www.ajnr.org/content/32/9/E180.abstract AB