Objective To study the effect of percutaneous autologous bone marrow transplantation for the management of nonunion and delayed union of fractures.是什么意思_Objective To study the effect of percutaneous autologous bone marrow transplantation for the management of nonunion and delayed union of fractures.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句