Ibrahim, U. S., Jalo , R. I., Tsiga-Ahmed, F. I., Abdullahi, H. M., Gajida, A. U., Ibrahim, U. M., Ayaba, A. K., Abdullahi, N. T., Idris, A., & Gboluwaga, T. A. (2020). Visual impairment among commercial intercity vehicle drivers in Dutse, Jigawa State, Nigeria. Annals of African Medical Research, 3(1). https://doi.org/10.4081/aamr.2020.113