PT - JOURNAL ARTICLE AU - J.C. Benson AU - J.M. Morris TI - Reply: AID - 10.3174/ajnr.A6963 DP - 2021 Mar 01 TA - American Journal of Neuroradiology PG - E17--E17 VI - 42 IP - 3 4099 - http://www.ajnr.org/content/42/3/E17.short 4100 - http://www.ajnr.org/content/42/3/E17.full SO - Am. J. Neuroradiol.2021 Mar 01; 42