TY - JOUR T1 - Frequent attendance at the emergency department shows typical features of complex systems: analysis of multicentre linked data JO - Emergency Medicine Journal PY - -0001/11/30 AU - Burton C AU - Stone T AU - Oliver P AU - Dickson JM AU - Lewis J AU - Mason SM ED - DO - DOI: 10.1136/emermed-2020-210772 PB - BMJ Y2 - 2025/05/25 ER -