*The Sydney System in the assessment of gastritis: Inter-observer agreement - ÖZTÜRK, Sibel; SERİNÖZ, Ebru; KUZU, Işınsu; ENSARİ, Arzu; ERDEN, Esra; KANSU, Aydan; ALTUNTAŞ, Buket; ÇETİNKAYA, Hülya; ÖZDEN, Ali (Turkish Journal of Gastroenterology, 2001)