1. A study of queues and appointment systems in hospital out-patient departments, with special reference to waiting-times;Bailey;J. Roy. Statist. Soc., Series B,1952
2. Failed appointments: who misses them, why they are missed, and what can be done;Barron;Primary Care,1980
3. Control your scheduling to ensure patient satisfaction;Baum;Urology Times,2001
4. Appointment systems in out-patients’ clinics and effect of patients’ unpunctuality;Blanco White;Med. Care,1964
5. Queueing models for out-patient appointment systems - a case study;Brahimi;J. Operations Res. Soc.,1991