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A) Ex‐vivo study on drug transport from stent to an arterial wall through lipid‐free and lipid‐rich hydrogels. Artist impression of hydrogel mounted on a stent using sutures. B) Cross‐section of a stented artery, showing that part of the stent is in direct contact with the arterial wall and another part through the hydrogel. C) Artist impression of a perfusion chamber mounted with a stented porcine coronary artery.
