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1 Sanz M, "Treatment of intrabony defects with enamel matrix proteins or barrier membranes: results from a multicenter practice-based clinical trial" 75 : 726-733, 2004
2 Sculean A, "Treatment of intrabony defects with enamel matrix proteins and guided tissue regeneration. A prospective controlled clinical study" 28 : 397-403, 2001
3 Hugoson A, "Treatment of class II furcation involvements in humans with bioresorbable and nonresorbable guided tissue regeneration barriers. A randomized multi-center study" 66 : 624-634, 1995
4 Quteish D, "The use of irradiated-crosslinked human collagen membrane in guided tissue regeneration" 19 : 476-484, 1992
5 Loe H, "The gingival index, the plaque index and the retention index systems" 38 : 610-616, 1967
6 Hammerle CH, "Single stage surgery combining transmucosal implant placement with guided bone regeneration and bioresorbable materials" 12 : 9-18, 2001
7 Trombelli L, "Retrospective analysis of factors related to clinical outcome of guided tissue regeneration procedures in intrabony defects" 24 : 366-371, 1997
8 Zitzmann NU, "Resorbable versus nonresorbable membranes in combination with Bio-Oss for guided bone regeneration" 12 : 844-852, 1997
9 Nevins M, "Platelet-derived growth factor stimulates bone fill and rate of attachment level gain: results of a large multicenter randomized controlled trial" 76 : 2205-2215, 2005
10 Haney JM, "Periodontal repair in dogs: expanded polytetrafluoroethylene barrier membranes support wound stabilization and enhance bone regeneration" 64 : 883-890, 1993
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