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Quality of cryopreserved cells post thaw. (A) 6 × 105 cells from each vial were plated onto a well of a 6-well plate. Phase contrast images were taken 48–72 h post thaw. Magnification, 40×; (B) Cells were stained with AP staining kit three (vial #2) to five (all other vials) days post plating. Whole-well images are shown. Magnification, 1×.
