@article {Did2019,
title = {Did the expansion of free GP care impact demand for Emergency Department attendances? A difference-in-differences analysis},
year = {2019},
url = {https://www.esri.ie/publications/did-the-expansion-of-free-gp-care-impact-demand-for-emergency-department-attendances-2},
author = {Walsh, B., Nolan, A., Brick, A., and Keegan, C.},
journal = {ESRI Research Bulletin 201901},
}