1. Acutely ill patients in hospital: recognition of and response to acute illness in adults in hospital. Clinical guideline 50;National Institute for Health,2007
2. A case–control study of patients readmitted to an intensive care unit;Durbin;Crit Care Med,1993
3. Patient care in the aftermath of discharge from an ICU;Walling;Am Fam Physician,2000
4. Common concerns amid diverse systems: health care experiences in five countries;Bledon;Health Affairs,2003
5. Transitional care after ICU: current trends and future directions;Chaboyer;Crit Care Nurs,2005