title: Complementary freeze-fracture, freeze-etch specimens.
mesh_terms: D002462:Cell Membrane / Q000648:ultrastructure; D003451:Cryoprotective Agents; D005613:Freeze Etching / Q000379:methods*; D005614:Freeze Fracturing / Q000379:methods*; D007053:Ice; D008854:Microscopy, Electron; D010780:Photogrammetry; D014027:Tobacco Mosaic Virus / Q000648:ultrastructure; D014780:Viruses / Q000648:ultrastructure
chemical_list: D003451:Cryoprotective Agents; D007053:Ice