Objectives To assess the scope of photoplethysmography (PPG), color duplex ultrasonography, percutaneous transpopliteal venography for evaluating chronic venous disease.是什么意思_Objectives To assess the scope of photoplethysmography (PPG), color duplex ultrasonography, percutaneous transpopliteal venography for evaluating chronic venous disease.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句