Nanda, Steven, and Veli Sungono. “Relationship Between Psychological Distress and Irritable Bowel Syndrome (IBS) in Medical Students of Pelita Harapan University”. The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy, vol. 21, no. 3, Dec. 2020, pp. 199-06, doi:10.24871/2132020199-206.