Solvent extraction of selenium, chromium, iron and zinc from ashed serum samples.
D000201:Activation Analysis; D002857:Chromium / Q000097:blood*; D007501:Iron / Q000097:blood*; D008722:Methods; D012643:Selenium / Q000097:blood*; D012997:Solvents; D015032:Zinc / Q000097:blood*
D012997:Solvents; D002857:Chromium; D007501:Iron; D012643:Selenium; D015032:Zinc