1. Incidence of metaplasia around and at varying distance from chronic duodenal and gastric ulcers;Blomquist;Acta chir. Scand.,1956
2. Carcinoma and intestinal metaplasia of the stomach in Columbian migrants;Correa;J. Nat. Cancer Inst.,1970
3. Diagnosis of Stomach Cancer Today
4. Histotopographische Untersuchungen über die intestinale Metaplasia in Karzinom- und Ulkusmägen;Elster;Z. inn. Med.,1960
5. Gastric ulcer and gastritis;Gear;Gut,1971