RT Journal Article SR Electronic T1 What’s in a number? Problems with counting traumatic brain injuries JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP emermed-2021-212076 DO 10.1136/emermed-2021-212076 A1 Benjamin Michael Bloom A1 Virginia Newcombe A1 Ian Roberts YR 2021 UL http://emj.bmj.com/content/early/2021/11/22/emermed-2021-212076.abstract AB