A magnesium alloy for stent bioabsorptive

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A stent is formed from a magnesium alloy that consists essentially of : 0-10 weight % rare earth element; 0-5 weight % Li; 0-1 weight % Mn; 0-1 weight % Zr; and balance Mg, or the stent is formed from a magnesium alloy that consists essentially of : 0-5 weight % rare earth element; 0-8 weight % Li; 0-1 weight % Mn; 0-1 weight % Sn; 0-3 weight % Al; 0-4 weight % Zn; and balance Mg.