title: Morphological and histochemical observations of the normal human gingiva.
mesh_terms: D000328:Adult; D001485:Basement Membrane / Q000032:analysis; D001706:Biopsy; D003094:Collagen / Q000032:analysis; D003239:Connective Tissue Cells; D005260:Female; D005881:Gingiva / Q000032:analysis / Q000033:anatomy & histology* / Q000166:cytology; D006025:Glycosaminoglycans / Q000032:analysis; D006651:Histocytochemistry; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008297:Male; D008722:Methods; D008859:Microscopy, Polarization; D013194:Staining and Labeling
chemical_list: D006025:Glycosaminoglycans; D003094:Collagen