title: Epithelial exclusion and tissue regeneration using a collagen membrane barrier in chronic periodontal defects: a histologic study.
authors.forename: J
authors.initials: J
authors.lastname: Pfeifer
authors.forename: R L
authors.initials: RL
authors.lastname: Van Swol
authors.forename: R
authors.initials: R
authors.lastname: Ellinger
mesh_terms: D000818:Animals; D003094:Collagen / Q000627:therapeutic use*; D003238:Connective Tissue / Q000502:physiology*; D004285:Dogs; D004846:Epithelial Attachment / Q000502:physiology*; D008567:Membranes, Artificial; D010510:Periodontal Diseases / Q000628:therapy*; D010519:Periodontium / Q000502:physiology*
chemical_list: D008567:Membranes, Artificial; D003094:Collagen