THE EVALUATION OF 3176 UPPER GASTROINTESTINAL ENDOSCOPIC EXAMINATIONS - AKSÖZ, M. Kadir; ALTINAY, Z. Abidin; ÜNSAL, Belkıs; YAZICIOĞLU, Nafi; KARA, Bülent; KARACA, Himmet; KOŞAY, Sadun (Turkish Journal of Gastroenterology, 1993)