Sharma, B., S. Rana, and L. S. Pal. “Non-Ulcer Dyspepsia Relation With Environmental Factors - A Study in Sub Himalayas, India”. Medical Journal of Indonesia 14, no. 1 (February 1, 2005): 50-4. Accessed April 23, 2024. http://mji.ui.ac.id/journal/index.php/mji/article/view/171.