PT - JOURNAL ARTICLE AU - A Fo Ben TI - Carphology AID - 10.1136/practneurol-2021-003204 DP - 2021 Oct 01 TA - Practical Neurology PG - 460--460 VI - 21 IP - 5 4099 - http://pn.bmj.com/content/21/5/460.short 4100 - http://pn.bmj.com/content/21/5/460.full SO - Pract Neurol2021 Oct 01; 21