Habib Malekpour, et al. “Is the Addition of Sublingual Melatonin to Omeprazole Superior to Omeprazole Alone in the Management of Gastroesophageal Reflux Disease Symptoms: A Clinical Trial”. Turkish Journal of Gastroenterology, vol. 34, no. 12, Sept. 2023, pp. 1206-11, https://tjg.avesjournals.com/index.php/tjg/article/view/4666.