Methods: Clinical data of 32 aged patients with obstruction by left hemicolon cancer from June 1988 to June 2003 were analyzed retrospectively.是什么意思_Methods: Clinical data of 32 aged patients with obstruction by left hemicolon cancer from June 1988 to June 2003 were analyzed retrospectively.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句