title: Total and ultrafiltrable calcium and magnesium in human plasma: improved method and normal values.
mesh_terms: D002118:Calcium / Q000097:blood*; D005374:Filtration; D006801:Humans; D008274:Magnesium / Q000097:blood*; D008722:Methods; D013053:Spectrophotometry
chemical_list: D008274:Magnesium; D002118:Calcium