Factors Associated with Bone Union Failure After Frozen Autograft Reconstruction in Lower Limb Osteosarcoma. - Morinaga, Sei; Hayashi, Katsuhiro; Miwa, Shinji; Higuchi, Takashi; Yonezawa, Hirotaka; Asano, Yohei; Tsuchiya, Hiroyuki; Demura, Satoru (Cancers, 2025)