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Viability cord blood stem cells after cryopreservation The viability of stem cells preserved in different cryoprotectant media for 72hours was tested immediately after thawing
| Cryoprotectant Medium | Percentage Viability immediately after thawing | Percentage Viability room temperature four hours after thawing |
| Medium–1. | 68.4±4.2 | 62.0±4.6 |
| Medium--2. | 92.0±4.8 | 74.6±2.2 |
| Medium--3 | 70.2±3.6 | 49.0±2.8 |
