title: Quantitative biochemical study of collagen in human gingiva.
mesh_terms: D000328:Adult; D003094:Collagen / Q000032:analysis*; D005881:Gingiva / Q000032:analysis*; D005891:Gingivitis / Q000473:pathology; D006801:Humans; D008297:Male; D010518:Periodontitis / Q000473:pathology
chemical_list: D003094:Collagen