A method of obtaining stained electron-microscope specimens free from contamination.
D000818:Animals; D001001:Anura; D005374:Filtration; D008722:Methods; D008854:Microscopy, Electron; D009092:Mucous Membrane / Q000166:cytology; D010614:Pharynx / Q000166:cytology; D012867:Skin / Q000166:cytology; D013194:Staining and Labeling