title: Bisphosphonates: osteonecrosis of the external auditory canal.
mesh_terms: D050071:Bone Density Conservation Agents / Q000009:adverse effects*; D004164:Diphosphonates / Q000009:adverse effects*; D004424:Ear Canal / Q000187:drug effects*; D006801:Humans; D010020:Osteonecrosis / Q000139:chemically induced*
chemical_list: D050071:Bone Density Conservation Agents; D004164:Diphosphonates