Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Takefumi Oizumi and Hiromi Funayama and Yasuo Endo and Hiroshi Kawamura and Shunji Sugawara and Kouji Yamaguchi,Osteonecrosis of jawbones in two osteoporosis patients treated with a nitrogen-containing bisphosphonate (NBP): Attempts at osteonecrosis reduction by replacing NBP with etidronate (a non-NBP),Bone,8756-3282,Elsevier BV,2009-05-01,44,,S129,https://cir.nii.ac.jp/crid/1871991017627753984,https://doi.org/10.1016/j.bone.2009.01.438