Prevelance of Helicobacter pylori in patients with of without dyspepsia and comparsion of different methods in the diagnosis of helicobacter pylori - CİNDORUK, Mehmet; AKALIN, Simten; DOĞAN, Ümit Bilge; KOŞAR, Yasemin; YAKARYILMAZ, Fatih; ÇAĞATAY, Mustafa; YILDIRIM, İ. Safa (Turkish Journal of Gastroenterology, 1996)