The effects of misoprostol and famotidin on gastric injury caused by long term non-steroid antiflammatory drug usage - YILDIZ, Coşkun; ÇELİKEL, Hüseyin and AYHAN, Sami and BAHÇECİOĞLU, İbrahim Halil and KARAOĞLU, Aziz and KILIÇOĞLU, Ali Erhan (Turkish Journal of Gastroenterology, 1996)