title: Electron microscope study of connective tissue in systemic scleroderma using ruthenium red staining.
mesh_terms: D000368:Aged; D003238:Connective Tissue / Q000648:ultrastructure*; D006801:Humans; D008854:Microscopy, Electron; D008875:Middle Aged; D012430:Ruthenium Red; D012595:Scleroderma, Systemic / Q000473:pathology*; D013194:Staining and Labeling
chemical_list: D012430:Ruthenium Red