title: Second proton-pump inhibitor marketed.
mesh_terms: D053799:2-Pyridinylmethylsulfinylbenzimidazoles; D000897:Anti-Ulcer Agents / Q000378:metabolism / Q000627:therapeutic use*; D004381:Duodenal Ulcer / Q000188:drug therapy*; D004941:Esophagitis / Q000188:drug therapy; D006801:Humans; D064747:Lansoprazole; D009853:Omeprazole / Q000031:analogs & derivatives* / Q000378:metabolism / Q000627:therapeutic use; D015043:Zollinger-Ellison Syndrome / Q000188:drug therapy
chemical_list: D053799:2-Pyridinylmethylsulfinylbenzimidazoles; D000897:Anti-Ulcer Agents; D064747:Lansoprazole; D009853:Omeprazole