Dumitrascu, D. L. “PPIs for Upper Digestive Symptoms: EBM Does Not Support Empirical Practice”. Journal of Gastrointestinal and Liver Diseases, vol. 14, no. 2, June 2005, pp. 203-5, https://www.jgld.ro/jgld/index.php/jgld/article/view/2005.2.161.