Enhanced contrast in electron microscopy of unstained biological material. I. Strioscopy (dark-field microscopy).
D007854:Lead; D008722:Methods; D008854:Microscopy, Electron / Q000295:instrumentation; D008858:Microscopy, Phase-Contrast; D011137:Polystyrenes; D013194:Staining and Labeling; D014501:Uranium
D011137:Polystyrenes; D007854:Lead; D014501:Uranium