1. Pracancerose und Carcinoma in Situ;Hamperl, H.,1974
2. Report of a WHO meeting on the Histological Definition of Precancerous Lesions;World Health Organisation,1972
3. Gastrointestinal Pathology;Morson, B.C.; Dawson, I.M.P.,1979
4. Studies of patients with atrophic gastritis: a 10-15-year follow-up;Siurala, M.; Varis, K.; Wiljasalo, M.;Scand J Gastroenterol,1966
5. Gastric cancer in Colombia. III. Natural history of precursor lesions;Correa, P.; Cuello, C.; Duque, E.;J Natl Cancer Inst,1976