title: Freezing and drying of biological tissues for electron microscopy.
mesh_terms: D000818:Animals; D003300:Copper; D003584:Cytological Techniques; D005612:Freeze Drying / Q000379:methods*; D005615:Freezing; D008670:Metals; D008854:Microscopy, Electron; D009584:Nitrogen; D011407:Propane; D013997:Time Factors; D014618:Vacuum
chemical_list: D008670:Metals; D003300:Copper; D009584:Nitrogen; D011407:Propane