BERG, M Chemical studies in periodontal disease; the glycogen content of gingival tissue. [electronic resource] - Journal of dental research Aug 1947 - 291-5 p. digital Publication Type: Journal Article ISSN: 0022-0345 Standard No.: 10.1177/00220345470260040301 doi Subjects--Topical Terms: GingivaGingival DiseasesGlycogenHumansPeriodontal Diseases