1. Intensive Care Utilisation;Buist;Anaesth Intensive Care,1994
2. Patterns of resource consumption in medical intensive care;Oye;Chest,1991
3. Evidence-based Medicine: How to Practice and Teach EBM;Sackett,1997
4. Guide to Clinical Preventive Services: An Assessment of the Effectiveness of 169 Interventions;United States Preventive Services Task Force,1989
5. Chest Physiotherapy: The effect on arterial oxygenation;Mackenzie;Anesth Anal,1978