GÜREL, S., YERCİ, Ömer and ADIM, Şadıman B. (1999) “Helicobacter pylori density in patients with nonulcer dyspepsia and patients with duodenal ulcer”, Turkish Journal of Gastroenterology, 10(4), pp. 407–410. Available at: https://turkjgastroenterol.org/index.php/tjg/article/view/1025 (Accessed: 1 January 2026).