RT Journal Article SR Electronic T1 Safe staffing in emergency departments JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 831 OP 832 DO 10.1136/emermed-2015-205242 VO 32 IS 11 A1 Mary Dawood YR 2015 UL http://emj.bmj.com/content/32/11/831.abstract AB