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. 2016 Aug 2;15:125. doi: 10.1186/s12939-016-0411-z

Fig. 1.

Fig. 1

Distribution of minimum travel time for the general practitioners. The vertical line defines the threshold; below which the resident could reach the nearest general practitioners within 5 min, which represents 88 % of IRIS and, beyond which the time to get to the nearest general practitioners is more than 5 min. The decay function will be applied to 12 % of IRIS