Dr. Dhrubo Jyoti Sen. “Obnoxious Gas Causes Burping Is Due to Unnatural Food Habit”. World Journal of Pharmaceutical Sciences 3, no. 3 (March 5, 2015): 565–569. Accessed July 27, 2024. https://wjpsonline.com/index.php/wjps/article/view/obnoxious-gas-causes-burping-unnatural-food-habit.