@article{{MRA}{}, author = {Barbosa, E., Fernandes, A., Viana, R., Salomao, S., Campos, M.}, title = { Vision screening in school children from low-income areas of Sao Paulo city: Frequency and causes of visual impairment and blindness}, journal = {Medical Research Archives}, volume = {9}, number = {4}, year = {2021}, doi = {10.18103/mra.v9i4.2376}, url = {https://esmed.org/MRA/mra/article/view/2376} }