title: Electron microscopy of frozen, hydrated biological specimens.
mesh_terms: D000818:Animals; D003460:Crystallization; D005615:Freezing; D008854:Microscopy, Electron / Q000379:methods*; D008968:Molecular Conformation; D009696:Nucleic Acids; D011506:Proteins; D014780:Viruses / Q000648:ultrastructure; D014867:Water
chemical_list: D009696:Nucleic Acids; D011506:Proteins; D014867:Water