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Experimental design
| Group | Biomaterial | 4 weeks | 20 weeks |
|---|---|---|---|
| I | HADM | 4 | 4 |
| II | PADM | 4 | 4 |
| Total animals | 16 |
HADM human acellular dermal matrix. Flex HD® from MTF, Edison, NJ, USA; PADM porcine acellular dermis matrix. Strattice® from LifeNet, Branchburg, NJ, USA
