title: [Ranitidine, cimetidine and stress ulcer prevention--when are study results conclusive?].
mesh_terms: D002927:Cimetidine / Q000627:therapeutic use*; D006801:Humans; D010437:Peptic Ulcer / Q000517:prevention & control*; D011899:Ranitidine / Q000627:therapeutic use*; D012107:Research Design / Q000592:standards
chemical_list: D002927:Cimetidine; D011899:Ranitidine
vernacular_title: Ranitidin, Cimetidin und Stressulkus-Prophylaxe--wann sind Studienaussagen schlüssig?