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  • BACK IN ACTION photo | Mary-Kate Olsen

Credit: MacFarlane/Winslow/Splash News Online

Published: Wednesday Nov 28, 2007 | 05:30 PM EST

BACK IN ACTION

After dining out with sister Ashley, Mary-Kate Olsen, who was recently hospitalized with a kidney infection, keeps up the pace with a shopping trip to a vintage furniture shop in downtown New York on Tuesday.