title: Energy dispersive x-ray microanalysis of the electrolytes in biological bulk specimen. I. Specimen preparation, beam penetration, and quantitative analysis.
mesh_terms: D000818:Animals; D002467:Cell Nucleus / Q000032:analysis; D002540:Cerebral Cortex / Q000032:analysis; D002712:Chlorides / Q000032:analysis; D003593:Cytoplasm / Q000032:analysis; D004573:Electrolytes / Q000032:analysis*; D004577:Electron Probe Microanalysis; D005612:Freeze Drying; D005614:Freeze Fracturing; D008099:Liver / Q000032:analysis; D008854:Microscopy, Electron; D011188:Potassium / Q000032:analysis; D051381:Rats; D012964:Sodium / Q000032:analysis; D013048:Specimen Handling / Q000379:methods*
chemical_list: D002712:Chlorides; D004573:Electrolytes; D012964:Sodium; D011188:Potassium