1. Jelinek GA Casemix classification of patients attending hospital emergency departments in Perth, Western Australia, Development and evaluation of an urgency-based casemix system. Doctor of Medicine thesis University of Western Australia 1995
2. Reliability of the National Triage Scale with changes in emergency department activity level;Hollis;Emerg Med,1996
3. Reid BA The effect of coding on the allocation of diagnosis related groups, Kensington New South Wales, School of Health Services Management 1991