Macharia PM, Wong KL, Beňová L, Wang J, Makanga PT, Ray N, Banke-Thomas A. Measuring geographic access to emergency obstetric care: a comparison of travel time estimates modelled using Google Maps Directions API and AccessMod in three Nigerian conurbations. Geospat Health [Internet]. 2024 May 27 [cited 2024 Jul. 3];19(1). Available from: https://www.geospatialhealth.net/gh/article/view/1266