TY - JOUR T1 - Would Our Treatment Decisions Be Better Justified in the Absence of Observational Data? JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. DO - 10.3174/ajnr.A2755 AU - A. Laakso AU - M. Niemelä AU - J. Hernesniemi Y1 - 2011/09/21 UR - http://www.ajnr.org/content/early/2011/09/22/ajnr.A2755.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -