title: Structure of the envelope of Escherichia coli observed by the rapid-freezing and substitution fixation method.
mesh_terms: D002462:Cell Membrane / Q000648:ultrastructure; D002467:Cell Nucleus / Q000648:ultrastructure; D002473:Cell Wall / Q000648:ultrastructure; D004926:Escherichia coli / Q000648:ultrastructure*; D005404:Fixatives; D005614:Freeze Fracturing / Q000379:methods*; D008854:Microscopy, Electron
chemical_list: D005404:Fixatives