Kumar, S., Bansal, R., Khare, A., Malik, K., Malik, V., Jain, K. and Jain, C. (2013) “Conjunctival impression cytology in computer users”, Nepalese Journal of Ophthalmology, 5(1), pp. 33–37. doi: 10.3126/nepjoph.v5i1.7819.