Shahraki, K., Seifi, M., Abbasi, H., Amizadeh, Y., Daneshtalab, A., Shahraki, K., Feizi, S. and Shojaei, A. (2017) “The Relation between Serum Level of Vitamin D and Dry Eye Disease”, Journal of Ophthalmic and Optometric Sciences, 1(5), pp. 1–6. doi: 10.22037/joos.v1i5.24082.