TY - GEN AU - Van der Hulst,R W AU - Tytgat,G N TI - Helicobacter pylori and peptic ulcer disease SN - 0085-5928 PY - 1997///0121 KW - Duodenal Ulcer KW - drug therapy KW - Helicobacter Infections KW - Helicobacter pylori KW - pathogenicity KW - Humans KW - Peptic Ulcer KW - Recurrence N1 - Publication Type: Journal Article; Review ER -