Tissue sodium and potassium: direct detection in the electron microscope.
D003315:Cornea / Q000032:analysis*; D004577:Electron Probe Microanalysis; D006651:Histocytochemistry; D008722:Methods; D008867:Microtomy; D011188:Potassium / Q000032:analysis*; D012964:Sodium / Q000032:analysis*
D012964:Sodium; D011188:Potassium