title: Controversial warning on Plavix and stomach-protecting medications.
mesh_terms: D000897:Anti-Ulcer Agents / Q000008:administration & dosage; D000077144:Clopidogrel; D004347:Drug Interactions; D004348:Drug Labeling; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D009853:Omeprazole / Q000008:administration & dosage* / Q000009:adverse effects; D010975:Platelet Aggregation Inhibitors / Q000008:administration & dosage / Q000009:adverse effects*; D013276:Stomach Ulcer / Q000139:chemically induced / Q000517:prevention & control*; D013988:Ticlopidine / Q000008:administration & dosage / Q000009:adverse effects / Q000031:analogs & derivatives*; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D000897:Anti-Ulcer Agents; D010975:Platelet Aggregation Inhibitors; D000077144:Clopidogrel; D009853:Omeprazole; D013988:Ticlopidine