PT - JOURNAL ARTICLE AU - Yi-Chien Yang AU - Chon-Haw Tsai TI - Balo concentric sclerosis in a 23-year-old man AID - 10.1503/cmaj.180048 DP - 2018 Aug 07 TA - Canadian Medical Association Journal PG - E937--E937 VI - 190 IP - 31 4099 - http://www.cmaj.ca/content/190/31/E937.short 4100 - http://www.cmaj.ca/content/190/31/E937.full SO - CMAJ2018 Aug 07; 190