2007-06-13 Stent Failure: How Much of the Problem Is Caused by Doctors?
This is the VOA Special English Health Report. Today we have the second half of a report about some concerns with the use of drug- treated coronary stents. These are…
VOA英语教学网 - VOA LEARNING ENGLISH
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This is the VOA Special English Health Report. Today we have the second half of a report about some concerns with the use of drug- treated coronary stents. These are…