Jan, U., Rather, A.R., Singh, J. and Shafi, A. 2020. Histopathological Study Of Endoscopic Biopsies Of Premalignant And Malignant Lesions Of Upper Gastrointestinal Tract In A Tertiary Care Hospital. JMS SKIMS. 23, Suppl 1 (Dec. 2020). DOI:https://doi.org/https://doi.org/10.33883/jms.v23iSuppl%201.568.