A. Patel, P. Banswal, A. Ghosh, R. Jaiswal, S. Goel, and M. Tandon, “Comparative study of impression smear with conventional mechanical corneal scrapping by potassium hydroxide (10%KOH) in diagnosis of fungal keratitis”, Int Surg J, vol. 3, no. 3, pp. 1301–1305, Dec. 2016.