Estimation of calcium, magnesium, and phosphorus in diet and stool.
D002118:Calcium / Q000032:analysis*; D002857:Chromium / Q000032:analysis; D005243:Feces / Q000032:analysis*; D005504:Food Analysis; D006801:Humans; D007202:Indicators and Reagents; D008274:Magnesium / Q000032:analysis*; D008722:Methods; D010758:Phosphorus / Q000032:analysis*; D013057:Spectrum Analysis
D007202:Indicators and Reagents; D002857:Chromium; D010758:Phosphorus; D008274:Magnesium; D002118:Calcium