1.
Lee JE, Sung JH, Ward WB, Fos PJ, Lee WJ, Kim JC. Utilization of the emergency room: impact of geographic distance. Geospat Health [Internet]. 2007May1 [cited 2021Sep.25];1(2):243-5. Available from: https://geospatialhealth.net/index.php/gh/article/view/272