1. 4-hour rule - feasible or flawed?;Schuh,2012
2. Four hour rule program progress and issues review;Stokes,2011
3. The four-hour target in the NHS emergency departments: a critical comment;Letham;Emergencias,2012
4. Emergency Treatment Performance;Wales,2017
5. Access block and emergency department overcrowding;Forero;Crit Care,2011