PT - JOURNAL ARTICLE AU - Laakso, A. AU - Niemelä, M. AU - Hernesniemi, J. TI - Would Our Treatment Decisions Be Better Justified in the Absence of Observational Data? AID - 10.3174/ajnr.A2755 DP - 2011 Oct 01 TA - American Journal of Neuroradiology PG - E180--E180 VI - 32 IP - 9 4099 - http://www.ajnr.org/content/32/9/E180.short 4100 - http://www.ajnr.org/content/32/9/E180.full SO - Am. J. Neuroradiol.2011 Oct 01; 32