@article {Evaluating2008, title = {Evaluating the Impact of Eligibility for Free Care on the Use of General Practitioner (GP) Services: A Difference-in-Difference Matching Approach}, year = {2008}, notes = {http://dx.doi.org/10.1016/j.socscimed.2008.06.021}, url = {https://www.esri.ie/publications/evaluating-the-impact-of-eligibility-for-free-care-on-the-use-of-general-practitioner-gp-services-a-difference-in-difference-matching-approach}, author = {Nolan, A.}, journal = {Social Science & Medicine, Vol. 67 Issue 7, October 2008, pp. 1164-1172}, }