AKTAN, Z. Aslı, P. James STOWARD, Figen GÖVSA, Meral BAKA, and Tomris ÖZGÜR. 1994. “THE INVESTIGATION OF IMMUNOGLOB ULINS AT OESOPHAGUS BIOPSIES OF TWENTY PATIENTS WITH DYSPEPSIA”. Turkish Journal of Gastroenterology 5 (4):686-88. https://www.turkjgastroenterol.org/index.php/tjg/article/view/533.