title: Re: Lanza et al.--Endoscopic comparison of alendronate and risedronate.
authors: M A
authors: MA
authors: Blank
authors: A B
authors: AB
authors: Thomson
mesh_terms: D019386:Alendronate / Q000009:adverse effects*; D012968:Etidronic Acid / Q000009:adverse effects* / Q000031:analogs & derivatives; D005773:Gastroscopy; D006801:Humans; D000068296:Risedronic Acid; D013276:Stomach Ulcer / Q000139:chemically induced*
chemical_list: D000068296:Risedronic Acid; D012968:Etidronic Acid; D019386:Alendronate