1. Malignant carcinoid of the stomach and distal oesophagus;Brodman, H.R.; Pai, B.N.;Am J Dig Dis,1968
2. Carcinoid of the oesophagus;Brenner, S.; Heimlich, H.; Widman, M.;NY StateJ Med
3. Mucin producing carcinoid ("composite tumour") of the upper third of the oesophagus: a variant of carcinoid tumour;Cheng, F.K.; Graham, J.H.; Madolfi, M.;Cancer,1979
4. Carcinoid tumour of the oesophagus. Case report;Rankin, R.; Nirodi, N.S.; Browne, M.K.;Scott Med J,1980
5. Are diffuse gastric carcinomas neuroendocrine tumours (ECL-omas)?;Waldum, H.I.; Haugen, O.A.; Isaksen, C.; Mecsei, R.; Sandvik, A.K.;Eur J Gastroenterol Hepatol,1991