Microsatellite instability analysis using BAT-26 marker in patients with gastric or colorectal cancer diagnosed at Hospital Universitario de Santander. Colomb Med [Internet]. 2008 Jun. 30 [cited 2025 Dec. 27];39(2.Supl.2):41-5. Available from: https://colombiamedica.univalle.edu.co/index.php/comedica/article/view/584