PT - JOURNAL ARTICLE AU - A Fo Ben TI - Carphology AID - 10.1136/practneurol-2021-003065 DP - 2021 Jun 01 TA - Practical Neurology PG - 270--270 VI - 21 IP - 3 4099 - http://pn.bmj.com/content/21/3/270.short 4100 - http://pn.bmj.com/content/21/3/270.full SO - Pract Neurol2021 Jun 01; 21