Ramirez-Quesada W, et al. Sustained Viral Response in patients carrying chronic hepatitis C treated with direct acting antivirals , a retrospective study from Costa Rica. Acta Medica Costarricense. 2020 (62); 4, 187-195.
Sandoval-Montero, Ramirez-Quesada W, Molina-Castro S, Ramirez-Mayorga V, Araya-Arce V, Vargas-Soto I, Moreno-Araya J. Amongst tests and masks: Perception about the restart of digestive endoscopy during COVID-19. Endoscopia. 2020. 32: 111-119.
Pérez-Escobar J, Ramirez-Quesada W, Calle-Rodas DA, Chi-Cervera LA, Navarro- Alvarez N, Aquino-Matus J, Ramírez-Hinojosa JP, Moctezuma-Velázquez C, Torre A. Increased incidence of and microbiologic changes in pyogenic liver abscesses in the Mexican population. World J Hepatol 2020; 12(10): 816-828
Ramirez-Quesada W. et al. Alpha-1 Antitrypsin Deficiency, a commonly unsuspected chronic liver disease cause: presentation of 9 cases and review of literature. Revista de Gastroenterología del Perú. 2019 (39); 2, 127-31 and Poster Presentation in ALEH 2018 Congress
Vargas-Jimenez JM, Ramírez-Quesada W. Solid Seudopapillary Pancreatic Tumours in Costa Rica: Case series and review of topic. Revista de Gastroenterología del Perú. 2019 (39); 2, 132-35
Ramirez-Quesada W. et al. Safety of propofol sedation by gastroenterologists in gastrointestinal endoscopy, experience in Costa Rica. Acta Médica Costarricense. 2019 (61); 22, 168-72
Ramirez-Quesada W. et al. Quality indicators in colonoscopy. Acta Médica Costarricense. 2019 (61); 1, 37-42
Ramirez-Quesada W. et al. Colonic bleeding secondary to over the scope clip migration. Endoscopia. 2019; 31;47-29.
Hevia-Urrutia FJ, Alvarado-Romero D, Ramirez-Quesada W. Alpha-1 antitrypsin deficiency in the adult. Hepatologia. 2021. Aprendizaje Basado en Casos Clínicos