title: [Initial lesion in gingivitis ulcerosa].
mesh_terms: D005881:Gingiva / Q000473:pathology; D005883:Gingival Crevicular Fluid; D005892:Gingivitis, Necrotizing Ulcerative / Q000473:pathology*; D006801:Humans
vernacular_title: Die Initialläsion bei Gingivitis ulcerosa.