Tantau, M., & Tantau, A. (2013). Esophageal Per Oral Endoscopic Miotomy (POEM) for Achalasia: First Case Reported in Eastern Europe. Journal of Gastrointestinal and Liver Diseases, 22(4), 461-463. Retrieved from https://jgld.ro/jgld/index.php/jgld/article/view/2013.4.17