PRECANCAROUS LESIONS IN GASTRIC MUCOSA AFTER PEPTIC ULCER SURGERY - YAZICIOĞLU, Nafi; TUNAKAN, Mine; ÜNSAL, Belkis; KARAOĞLU, Ali ÖNDER; KARA, Bülent; KARACA, Himmet; KOŞAY, Sadun (Turkish Journal of Gastroenterology, 1994)