Trace element data reliability in clinical chemistry-interlaboratory trials and reference materials.
D001774:Blood Chemical Analysis / Q000592:standards; D006801:Humans; D012643:Selenium / Q000097:blood / Q000652:urine; D013223:Statistics as Topic; D014131:Trace Elements / Q000032:analysis* / Q000097:blood / Q000652:urine
D014131:Trace Elements; D012643:Selenium