| http://www.w3.org/ns/prov#value | - We think a significant proportion ??? around 20 per cent ??? of coronary stent procedures carried out may not have been necessary and medication such as beta-blockers, aspirin and statins would have been a better treatment.The problem is cardiologists cannot always tell from the angiogram ??? an X-ray of the arteries ??? whether a stent is absolutely necessary.
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