RT Journal Article SR Electronic T1 Image challenge: acute chest pain after tooth extraction JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 332 OP 332 DO 10.1136/emermed-2017-206990 VO 35 IS 5 A1 Sheeba Zaheer A1 Sivasubramanian Srinivasan A1 Mohamad Isham Othman YR 2018 UL http://emj.bmj.com/content/35/5/332.abstract AB