Sartorius, B., K. Kahn, M. A. Collinson, K. Sartorius, and S. M. Tollman. “Dying in Their Prime: Determinants and Space-Time Risk of Adult Mortality in Rural South Africa”. Geospatial Health, vol. 7, no. 2, May 2013, pp. 237-49, doi:10.4081/gh.2013.83.