Ahmed, S., A. Ghosh, S. A. Hassan, S. Tarafder, and M. R. Amin Miah. “Predisposing Factors and Aetiologic Diagnosis of Infectious Corneal Ulcer”. Bangladesh Journal of Medical Microbiology, vol. 4, no. 1, Aug. 2011, pp. 28-31, doi:10.3329/bjmm.v4i1.8466.