Lead, chromium, and molybdenum by atomic absorption.
D002857:Chromium / Q000097:blood* / Q000652:urine*; D006801:Humans; D007854:Lead / Q000097:blood* / Q000652:urine*; D008982:Molybdenum; D013053:Spectrophotometry
D002857:Chromium; D007854:Lead; D008982:Molybdenum