@article{article, title  = {{Why is it so difficult to recruit patients to research in emergency care? Lessons from the AHEAD study}},

 publisher = {{BMJ}},

 url = {{}},

 year = {{2015}},

 month = {{3}},

 author = {{Johnson R and Kuczawski M and Mason S}},

 doi = {{10.1136/emermed-2014-204401}},

 volume = {{33}},

 journal = {{Emergency Medicine Journal}},

 issue = {{1}},

 pages = {{52-56}},

 note = {{Accessed on 2024/09/20}}}