有時(shí)候醫(yī)生會(huì)不會(huì)幫倒忙？反倒使病情嚴(yán)重了呢？
So far, researchers have mostly investigated the stents themselves and how they are made. But now attention is turning also to the way they are being used. The question is how much of the problem of stent failure may be the result of stents not being put in right. Or maybe they are not being expande…