RT Journal Article SR Electronic T1 Reply: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E2 OP E3 DO 10.3174/ajnr.A6943 VO 42 IS 2 A1 Aragão, M.F.V.V. A1 Leal, M.C. A1 Fonseca, T.M. A1 Cartaxo Filho, O.Q. A1 Valença, M.M YR 2021 UL http://www.ajnr.org/content/42/2/E2.abstract AB