In patients with watershed infarcts(n=48),collateral circulation pathway in the circle of Willis was not found in 27%,and collateral flow in the posterior communicating artery was found in 13%.是什么意思_In patients with watershed infarcts(n=48),collateral circulation pathway in the circle of Willis was not found in 27%,and collateral flow in the posterior communicating artery was found in 13%.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句