@article{article, title = {{Frequent attendance at the emergency department shows typical features of complex systems: analysis of multicentre linked data}}, publisher = {{BMJ}}, url = {{}}, year = {{-0001}}, month = {{11}}, author = {{Burton C and Stone T and Oliver P and Dickson JM and Lewis J and Mason SM}}, doi = {{10.1136/emermed-2020-210772}}, journal = {{Emergency Medicine Journal}}, note = {{Accessed on 2025/04/11}}}