title: Ultrastructural methods for looking at frozen cells.
mesh_terms: D000818:Animals; D003584:Cytological Techniques; D005613:Freeze Etching; D005615:Freezing; D008722:Methods; D051379:Mice; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning; D008867:Microtomy; D051381:Rats