Some 49, 000 patients in the UK have these implants and they've been shown to have a much higher failure rate than metal and plastic or ceramic implants.
The MHRA said all-metal hips had a failure rate of about 12% after seven years, three times that of metal and plastic or ceramic hips.
Bare metal stents cut that rate at least in half, and both Cypher and Taxus lower it again to a mere 5% or so.
All other denominations would be tokens, made of a metal too cheap to be worth melting down, that could be exchanged for higher-denomination ones (or for a set amount of the precious metal) at a rate fixed and guaranteed by the government.
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Over the weekend, it also increased the base rate for calculating import taxes on the precious metal, another measure to make imports costlier and bring down demand.
The precious yellow metal was boosted by the somewhat surprising interest rate cut by the European Central Bank and by more safe-haven investment demand as the EU debt crisis drags on.
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Closed-end funds are taxed as equities while precious metal ETFs are taxed as commodities at a higher rate.
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He owns a workshop as a metal turner and his business is affected by the rate of exchange of the US dollar, which has fluctuated a lot recently.
Sector metal workers were asking for a 2% salary increase over the inflation rate, making for a nominal increase of 9.5%.
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Metal on metal hip resurfacing is considered to be a much better option because it has a lower failure rate and is more cost effective since it does not need to be repeated as often as a total hip replacement.
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