The materials of endoscopic sphincterotomy (EST) in 221 cases with difficulty in manipulation were reviewed to upgrade EST therapeutic efficacy.是什么意思_The materials of endoscopic sphincterotomy (EST) in 221 cases with difficulty in manipulation were reviewed to upgrade EST therapeutic efficacy.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句