ÖZDEN, Ali, Cemil Ekinci, Şükrü Dumlu, Mustafa TUNÇ, Ömer DÖNDERICI, Eyüp Selvi, and Özden UZUNALİMOĞLU. 1992. “THE PREVALENCE OF HELICOBACTER PYLORI IN PATTENTS WITH UPPER GASTROINTESTINAL COMPLAINTS”. Turkish Journal of Gastroenterology 3 (1):102-8. https://www.turkjgastroenterol.org/index.php/tjg/article/view/62.