RT Journal Article SR Electronic T1 Elderly patient with mass on the right arm of sudden onset JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 153 OP 162 DO 10.1136/emermed-2018-207977 VO 36 IS 3 A1 Martín-Jiménez, Antonio J A1 Cornejo-Saucedo, Miguel Ángel A1 García-Gil, Daniel YR 2019 UL http://emj.bmj.com/content/36/3/153.abstract AB