Maire, N., Hegnauer, M., Nguyen, D., Godelmann, L., Peterhans, B., Hoffmann, A., de Savigny, D. and Tanner, M. (2012) “The Health Resources Allocation Model (HRAM) for the 21st century”, Geospatial Health, 6(2), pp. 295-298. doi: 10.4081/gh.2012.147.