S. Aggarwal, K. Mardi, S. Sood, V. Kaushal, B. Sharma, and P. Sood, “Cyto-histological correlation in diagnosis of gastrointestinal lesions- a prospective study in a tertiary care institute”, Int J Res Med Sci, vol. 8, no. 10, pp. 3560–3564, Sep. 2020.