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Freeze-thawed poly(vinyl alcohol)/hyaluronic acid (PVA/HA) cryogels studied.
| PVA/HA cryogels | Code |
|---|---|
| HA/PVA—2 cycles from −20 to 25 °C | HA/PVA 2c |
| HA/PVA loaded with methotrexate—2 cycles from −20 to 25 °C | HA/PVA/MTX 2c |
| HA/PVA—3 cycles from −20 to 25 °C | HA/PVA 3c |
| HA/PVA loaded with methotrexate—3 cycles from −20 to 25 °C | HA/PVA/MTX 3c |
