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