title: Biological monitoring.
mesh_terms: D001826:Body Fluids / Q000032:analysis; D002857:Chromium / Q000032:analysis; D004784:Environmental Monitoring; D005504:Food Analysis / Q000379:methods*; D006801:Humans; D007854:Lead / Q000097:blood; D013058:Mass Spectrometry / Q000379:methods; D008670:Metals / Q000032:analysis*; D009532:Nickel / Q000032:analysis; D012643:Selenium / Q000032:analysis / Q000097:blood; D013048:Specimen Handling; D013050:Spectrometry, Fluorescence / Q000295:instrumentation / Q000379:methods; D013053:Spectrophotometry / Q000379:methods; D013054:Spectrophotometry, Atomic / Q000379:methods; D014867:Water / Q000032:analysis
chemical_list: D008670:Metals; D014867:Water; D002857:Chromium; D007854:Lead; D009532:Nickel; D012643:Selenium