Shorin, V D [Study of the distribution of vertical stress in distinct atrophy of the periodontium by the polarization-optic method]. [electronic resource] - Stomatologiia - 70-6 p. digital Publication Type: Journal Article ISSN: 0039-1735 Subjects--Topical Terms: Gingival Hypertrophy--physiopathologyHumansMicroscopy, PolarizationPeriodontium--pathology