The preparation of small, particulate specimens by critical point drying: application for scanning electron microscopy.
D002467:Cell Nucleus; D006652:Histological Techniques / Q000295:instrumentation*; D006801:Humans; D008297:Male; D008722:Methods; D008855:Microscopy, Electron, Scanning; D008961:Models, Structural; D013094:Spermatozoa / Q000166:cytology