DR. DHRUBO JYOTI SEN. Obnoxious gas causes burping is due to unnatural food habit. World Journal of Pharmaceutical Sciences, [S. l.], v. 3, n. 3, p. 565–569, 2015. Disponível em: https://www.wjpsonline.com/index.php/wjps/article/view/obnoxious-gas-causes-burping-unnatural-food-habit. Acesso em: 25 apr. 2026.