GUPTA, V.; GUPTA, A.; GUPTA, S. Risk factors of Helicobacter pylori infection in children: a cross-sectional study in Chenani. International Journal of Advances in Medicine, [S. l.], v. 8, n. 7, p. 892–896, 2021. DOI: 10.18203/2349-3933.ijam20212344. Disponível em: https://www.ijmedicine.com/index.php/ijam/article/view/2955. Acesso em: 24 dec. 2025.