@article{article, title = {{Developing a summary hospital mortality index: Retrospective analysis in English hospitals over five years}}, url = {{http://eprints.whiterose.ac.uk/43858/ }}, year = {{2012}}, month = {{1}}, author = {{Campbell MJ and Jacques RM and Fotheringham J and Maheswaran R and Nicholl J}}, doi = {{10.1136/bmj.e1001}}, volume = {{344}}, journal = {{BMJ (Online)}}, issue = {{7848}}, note = {{Accessed on 2025/05/22}}}