*Outpatient Clinics, Hospital/og [Organization & Administration]
Reilly, T. A., Marathe, V. P., Fries, B. E. 1978. A delay-scheduling model for patients using a walk-in clinic. Journal of Medical Systems. 2 (4) 303-13.
Fries, B. E., Marathe, V. P. 1981. Determination of optimal variable-sized multiple-block appointment systems. Operations Research. 29 (2) 324-45.