Incremental cost-effectiveness of screening and laser treatment for diabetic retinopathy and macular edema in Malawi. - Vetrini, Damir; Kiire, Christine A.; Burgess, Philip I.; Harding, Simon P.; Kayange, Petros C.; Kalua, Khumbo; Msukwa, Gerald; Beare, Nicholas A. V.; Madan, Jason (PLoS ONE, 2018)