Oota, K. Histological Typing of Gastric and Oesophageal Tumours / K. Oota, L.H. Sobin. - Geneva : World Health Organization, 1977. - 48 p. : ill. ; 23 cm. - International Histological Classification of Tumours no. 18 . Includes index ISBN: 92-4-176018-4 Subjects--Topical Terms: HistologyGastroenterology