title: Ideal standards for quantitative x-ray microanalysis of biological specimens.
mesh_terms: D004577:Electron Probe Microanalysis / Q000379:methods*; D004602:Elements; D006652:Histological Techniques; D007475:Ion Exchange Resins; D008433:Mathematics; D008854:Microscopy, Electron; D012015:Reference Standards
chemical_list: D004602:Elements; D007475:Ion Exchange Resins