@article{article, title  = {{Defining frequent use of an urban emergency department.}},

 url = {{}},

 year = {{2007}},

 month = {{6}},

 author = {{Locker TE and Baston S and Mason SM and Nicholl J}},

 doi = {{10.1136/emj.2006.043844}},

 volume = {{24}},

 journal = {{Emerg Med J}},

 issue = {{6}},

 pages = {{398-401}},

 note = {{Accessed on 2024/12/22}}}