RT Journal Article SR Electronic T1 A regional approach to improving night time supervision of accident and emergency departments JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 65 OP 66 DO 10.1136/emj.2003.007062 VO 21 IS 1 A1 P Jaye A1 M W Beckett A1 A Parfitt YR 2004 UL http://emj.bmj.com/content/21/1/65.abstract AB