Ojha, S., Naik, L., Fernandes, G., Joshi, A., & Kothari, K. (2015). Brush cytology and biopsy in the diagnosis of malignancy of gastrointestinal tract – A comparative study. International Journal of Medical Research and Review, 3(10), 1246-1250. https://doi.org/10.17511/ijmrr.2015.i10.226