Oya BALCI, and Figen ÖZÇAY. “Two Juvenile Polyps, Hereditary Hemorrhagic Telangiectasia and SMAD4 Mutation”. Turkish Journal of Gastroenterology, vol. 24, no. 1, July 2019, pp. 57-60, https://turkjgastroenterol.avesjournals.com/index.php/tjg/article/view/2775.