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. Geospatial Health, [S. l.], v. 19, n. 1, 2024. DOI: 10.4081/gh.2024.1266. Disponível em: https://www.geospatialhealth.net/gh/article/view/1266. Acesso em: 13 jun. 2025.