Methods 25 cases of CSM underwent the resection of degenerated posterior longitudinal ligament with small Kerrison punches and grooved nerve hooks were retrospectively studied.是什么意思_Methods 25 cases of CSM underwent the resection of degenerated posterior longitudinal ligament with small Kerrison punches and grooved nerve hooks were retrospectively studied.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句