Fig. 1From: Access to specialty healthcare in urban versus rural US populations: a systematic literature reviewA conceptual framework of access to healthcare. Reprinted with permission from “Patient-centred access to health care: conceptualizing access at the interface of health systems and populations,” by J.-F. Levesque, M. F. Harris, & G. Russell, 2013, International Journal for Equity in Health, 12(1), 5. Copyright [2013] by Levesque et al.; licensee BioMed Central LtdBack to article page