title: Fibrodysplasia ossificans progressiva treated with diphosphonate.
mesh_terms: D002675:Child, Preschool; D005357:Fibrous Dysplasia of Bone / Q000188:drug therapy*; D006801:Humans; D008297:Male; D063065:Organophosphonates / Q000627:therapeutic use*
chemical_list: D063065:Organophosphonates