1. A co-operative international study of gastric cancer. Ann R Col Surg Engl;Lundh, G.; Jl, Burn; Kolig, G.,1974
2. Outcome of gastric carcinoma detected by gastric mass survey in Japan;Kaneko, E.; Nakamura, T.; Umeda, N.; Fujino, M.; Niwa, H.;Gut,1977
3. Evaluation of biopsy and cytology in the diagnosis of gastric cancer;Kasugai, T.; Kobayashi, S.;Am J Gastroenterol
4. Direct vision endoscopic cytology and biopsy in the diagnosis of esophageal and gastric tumours: current experience;Prolla, J.C.; Reilly, W.; Kirsner, J.B.; Cockerham, L.;Acta Cytol; 21: 399402. 'Gwyn,1977
5. Upper gastrointestinal endoscopythe cytologists viewpoint;Boddington, M.M.,1975