title: Direct determination of selenium in human serum by graphite furnace atomic absorption spectroscopy. Improvements due to oxygen ashing in graphite tube and Zeeman effect background correction.
mesh_terms: D001774:Blood Chemical Analysis / Q000295:instrumentation; D006108:Graphite; D006801:Humans; D010100:Oxygen; D012643:Selenium / Q000097:blood*; D013054:Spectrophotometry, Atomic / Q000295:instrumentation*
chemical_list: D006108:Graphite; D012643:Selenium; D010100:Oxygen