@article {Ambulatory1984,
title = {Ambulatory Visit Groups: A Prospective Payment System for Out-Patient Care},
year = {1984},
url = {https://www.esri.ie/publications/ambulatory-visit-groups-a-prospective-payment-system-for-out-patient-care},
author = {Lion, J., Malbon, A., Wiley, M., and Noble, J.},
journal = {Journal of Ambulatory Care Management},
}