THE VALUE OF MISOPROSTOL IN PATIENTS USING NSAIDs - DEMİRTÜRK, Levent; HÜLAGÜ, Saadeddin; KARABEKİR, İlhan; GÜL, Sabahattin; ÇANKIR, Zeki; ALTIN, Mehmet; ERTÜRK, Metin (Turkish Journal of Gastroenterology, 1994)