title: [Clinical study of freeze-dried homogenic brephobone graft in periodontal osseous defects].
authors.forename: Y H
authors.initials: YH
authors.lastname: Li
mesh_terms: D000293:Adolescent; D000328:Adult; D016025:Bone Transplantation; D003758:Dental Implantation, Endosseous; D005260:Female; D005333:Fetus; D005612:Freeze Drying; D006801:Humans; D008297:Male; D008875:Middle Aged; D010510:Periodontal Diseases / Q000601:surgery*