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Collagen membranes used for the study
| Collagen Source | Brand | Manufacturer | LOT | Constituent | Abbreviations |
|---|---|---|---|---|---|
| Porcine dermis | Bio-Gide | Geistlich Pharma AG, Wolhusen LU, Switzerland | 82101099 | Heterologous collagen | PD |
| Bovine pericardium | Lyoplant | B.Braun Biotech International, Melsungen, Germany | 220382 | Heterologous collagen | BP |
| Bovine dermis | Heal-All | Zhenghai Biotechnology Co., LTD, Yantai, China | SS200803 | Heterologous collagen | BD |
