KARO, Fitri Armanti; DAIRI, Leonardo Basa; SIREGAR, Gontar Alamsyah. The Comparison of Tnf α (Tumor Necrosis Factor α) Serum Levels Between Cytotoxin - Associated Gene A (Caga) Positive and Negative in Patients with Gastritis Helicobacter pylori. The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy, [S. l.], v. 18, n. 3, p. 148–152, 2020. DOI: 10.24871/1832017148-152. Disponível em: https://ina-jghe.com/index.php/jghe/article/view/639. Acesso em: 23 oct. 2026.