RT Journal Article SR Electronic T1 Point-of-care ultrasound for diagnosis of purulent flexor tenosynovitis JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP emermed-2020-211113 DO 10.1136/emermed-2020-211113 A1 Emily Neill A1 Nancy Anaya A1 Sally Graglia YR 2021 UL http://emj.bmj.com/content/early/2021/06/16/emermed-2020-211113.abstract AB