Becaldo, CL, AM Kuan, and LY Ong. 2020. “The Diagnostic Accuracy of Papanicolau Staining in Brush Biopsy As an Alternative to Tissue Biopsy in Patients Undergoing Colonoscopy for Non-Obstructing Colonic Tumors at Vicente Sotto Memorial Medical Center from February 2016 to September 2017: A Prospective Study”. Philippine Journal of Gastroenterology 9 (1). https://philjgastro.com/index.php/pjg/article/view/3.