@article{article, title  = {{Chest pain observation units (multiple letters)}},

 url = {{}},

 year = {{2001}},

 month = {{1}},

 author = {{Graff L and Kelly A and Goodacre S}},

 volume = {{18}},

 journal = {{Emergency Medicine Journal}},

 issue = {{2}},

 pages = {{148}},

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