Flaxman, S., & Jonas, J. B. (2017). Global causes of blindness and distance vision impairment 1990-2020: A systematic review and meta-analysis. The lancet. Global health, 5(12), . https://doi.org/10.1016/S2214-109X(17)30393-5
Chicago-Zitierstil (17. Ausg.)Flaxman, Seth, und Jost B. Jonas. "Global Causes of Blindness and Distance Vision Impairment 1990-2020: A Systematic Review and Meta-analysis." The Lancet. Global Health 5, no. 12 (2017). https://doi.org/10.1016/S2214-109X(17)30393-5.
MLA-Zitierstil (9. Ausg.)Flaxman, Seth, und Jost B. Jonas. "Global Causes of Blindness and Distance Vision Impairment 1990-2020: A Systematic Review and Meta-analysis." The Lancet. Global Health, vol. 5, no. 12, 2017, https://doi.org/10.1016/S2214-109X(17)30393-5.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.