title: Letter: Synthetic prostaglandin in gastric ulcer.
mesh_terms: D000367:Age Factors; D002986:Clinical Trials as Topic; D005773:Gastroscopy; D006801:Humans; D011453:Prostaglandins / Q000627:therapeutic use*; D013276:Stomach Ulcer / Q000175:diagnosis / Q000188:drug therapy*
chemical_list: D011453:Prostaglandins