| Table of contents Rev Col Gastroenterol vol.27 no.4 Bogotá Oct./Dec. 2012 Editorial | | | | · How are we addressing gastric intestinal metaplasia? Cañadas Garrido, Raúl A.
| | | Trabajos Originales | | | | · Correlation of endoscopic and histological findings in diagnosis of gastrointestinal metaplasia in patients referred to the Clinica Colombia for upper endoscopies Rocha, Nicolás; Huertas, Sandra; Albis, Rosario; Aponte, Diego; Sabbagh, Luis Carlos
| | | | · Diagnosis, staging and treatment of gastric cancer in Colombia from 2004 to 2008 Oliveros, Ricardo; Navarrera, Luis Felipe
| | | | · Prevalence and severity of gastric cancer precursor lesions in a high risk area Bedoya U, Álvaro; Sansón G., Fernando; Yépez Fuertes V., Yomaira; Santacruz M., Cristina; Cifuentes C., Yenny; Calvache P., Diana; Bedoya G., Álvaro
| | | | · Serological and molecular markers for Hepatitis B virus in university students Bautista Amorocho, Henry; Castellanos Domínguez, Yeny Zulay; Farfán García, Ana Elvira
| | | Review Articles | | | | · How to approach and manage difficult polyps Márquez Velásquez, Juan Ricardo; Escobar Vélez, Carlos Mario; Juliao Baños, Fabián
| | | | · Autoimmune hepatitis Prieto Ortiz, John Edison; Preciado, Javier; Huertas Pacheco, Sandra
| | | Report of cases | | | | · Acute severe ulcerative colitis: case report and literature review Juliao Baños, Fabián
| | | | · Case report of hepatopulmonary syndrome in patients with non-cirrhotic portal hypertension Muñoz Maya, Octavio Germán; Santos, Oscar Mauricio; Granda, Paula; Vega, Juliana; Marín, Juan-Ignacio; Restrepo Gutiérrez, Juan-Carlos
| | | | · Presentation of two cases of Vanek's tumor (inflammatory fibroid polyp) in Medellín Bernal Eusse, Alberto; Cock Botero, Ana María; Pérez, María del Pilar; Bernal Cuartas, Carolina
| | | | · The sign of Courvoisier Terrier Alonso Gómez, Martín; Airiny Delgado, Lidsay; Otero Regino, William
| | | Point of view | | | | · Basic ethical considerations and principles in the development of Biomedical research and Gastroenterology Granada Copete, Ana María; Páramo Hernández, David B
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