1. Empirical model-building and response surfaces;Box,1987
2. Emergency department triage revisited;FitzGerald;Emerg Med J,2010
3. Limitations in validating emergency department triage scales;Twomey;Emerg Med J,2007
4. Optimizing emergency department front-end operations;Wiler;Ann Emerg Med,2010
5. Fundamentals of queueing theory;Shortle,2018