Objective:To explore the causes of constipation by displaying the functional and anatomic abnormalities of continuity between anal canal and rectum with defecography.是什么意思_Objective:To explore the causes of constipation by displaying the functional and anatomic abnormalities of continuity between anal canal and rectum with defecography.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句