N. B. Bhattacharyya, D. Naga, A. P. Sarkar, S. Mandy, and P. C. Das, “Cytological profile of Pap smears in a tertiary care hospital of West Bengal, India”, Int J Reprod Contracept Obstet Gynecol, vol. 5, no. 12, pp. 4397–4400, Dec. 2016.