TY - BOOK AU - Saragih,J.Boas AU - Akabar,Nuru AU - Sirait,S. AU - Himawan,Sutisna AU - Soetjahyo,E. TI - The relationships between stomach cancer and chronic helicobacter pylori infection: is there any other infection? KW - Stomach Neoplasms KW - Helicobacter pylori KW - Helicobacter Infections ER -