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Figure 1 A, Cumulative ST638 release from PLLA stent over a 3-wk period as a percentage of the initial loaded ST638 in vitro. Each data point represents the mean of two measurements. B, Local concentration of ST638 in the porcine coronary arteries implanted with the ST638 stent at 0, 3, 7, and 21 d after stent implantation in vivo.
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