ÖZDEN, Ali, Şükrü Dumlu, Cemil Ekinci, Mustafa TUNÇ, Eyüp Selvi, and Nihat SİPAHİ. 1992. “IDENTIFICATION OF HELICOBACTER PYLORI IN GABTRJC BIOPSY SMEARS”. Turkish Journal of Gastroenterology 3 (1):97-101. https://www.turkjgastroenterol.org/index.php/tjg/article/view/63.