title: Connective tissue organization of healthy human gingiva. Ultrastructural localization of collagen types I-III-IV.
mesh_terms: D001485:Basement Membrane / Q000648:ultrastructure; D003094:Collagen / Q000032:analysis / Q000145:classification; D003238:Connective Tissue / Q000648:ultrastructure; D005881:Gingiva / Q000648:ultrastructure*; D007124:Immunoenzyme Techniques; D008854:Microscopy, Electron
chemical_list: D003094:Collagen