title: Ultrastructural changes of some mycobacterial walls after mild physical treatments: an example of the advantage of freeze-etching technique.
mesh_terms: D002473:Cell Wall / Q000187:drug effects / Q000648:ultrastructure; D005404:Fixatives / Q000494:pharmacology; D005613:Freeze Etching; D005614:Freeze Fracturing; D009161:Mycobacterium / Q000187:drug effects / Q000648:ultrastructure*
chemical_list: D005404:Fixatives