BECALDO, CL; KUAN, AM; ONG, LY. 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, [S. l.], v. 9, n. 1, 2020. Disponível em: https://philjgastro.com/index.php/pjg/article/view/3. Acesso em: 30 jun. 2026.