Ehrlich, J R, Ramke, J, Macleod, D, Burn, H, Lee, C N, Zhang, J H, Waldock, W, Swenor, B K, Gordon, I, Congdon, N, Burton, M & Evans, J R 2021, ' Association between vision impairment and mortality: a systematic review and meta-analysis ', The Lancet. Global health, vol. 9, no. 4, pp. e418-e430 . https://doi.org/10.1016/S2214-109X(20)30549-0 The Lancet. Global Health
Ehrlich, J R, Ramke, J, MacLeod, D, Swenor, B K, Burn, H, Lee, C N, Waldock, W J, Zhang, J H, Gordon, I, Congdon, N, Burton, M & Evans, J R 2020, ' Association between vision impairment and mortality: protocol for a systematic review and meta-analysis ', BMJ Open, vol. 10, no. 6, e037556 . https://doi.org/10.1136/bmjopen-2020-037556 BMJ Open, Vol 10, Iss 6 (2020) BMJ Open