PT - JOURNAL ARTICLE AU - Daniel Raper AU - Dale Ding AU - Robert M Starke TI - Lessons learned from a failed clinical trial of chronic subdural hematoma treatment AID - 10.1136/neurintsurg-2021-017893 DP - 2021 Oct 01 TA - Journal of NeuroInterventional Surgery PG - e23--e23 VI - 13 IP - 10 4099 - http://jnis.bmj.com/content/13/10/e23.short 4100 - http://jnis.bmj.com/content/13/10/e23.full SO - J NeuroIntervent Surg2021 Oct 01; 13