TY - GEN AU - Mutoh,Hiroyuki AU - Sugano,Kentaro TI - [Duodenal ulcer] SN - 0047-1852 PY - 2002///0315 KW - Age Factors KW - Anti-Inflammatory Agents, Non-Steroidal KW - adverse effects KW - Anti-Ulcer Agents KW - therapeutic use KW - Duodenal Ulcer KW - epidemiology KW - Famotidine KW - Female KW - Helicobacter Infections KW - complications KW - Helicobacter pylori KW - Histamine H2 Antagonists KW - Humans KW - Japan KW - Male KW - Omeprazole KW - Prognosis KW - Sex Factors KW - Time Factors N1 - Publication Type: Journal Article; Review ER -