Summary of Background Data.Ossification of ligamentum flavum (OLF) in the lumbar region causing neurologic impairment is a rare pathologic entity described mainly in Japanese literature.是什么意思_Summary of Background Data.Ossification of ligamentum flavum (OLF) in the lumbar region causing neurologic impairment is a rare pathologic entity described mainly in Japanese literature.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句