title: Collagen heterogeneity of thickened basement membranes of human diabetic dermis: tissular immunolabelling of collagen types I, III and IV by light and electron microscopy.
mesh_terms: D000328:Adult; D001485:Basement Membrane / Q000473:pathology / Q000648:ultrastructure; D001706:Biopsy; D003094:Collagen / Q000032:analysis*; D003922:Diabetes Mellitus, Type 1 / Q000473:pathology*; D004797:Enzyme-Linked Immunosorbent Assay; D005455:Fluorescent Antibody Technique; D006801:Humans; D007124:Immunoenzyme Techniques; D008875:Middle Aged; D012867:Skin / Q000473:pathology* / Q000648:ultrastructure
chemical_list: D003094:Collagen