Letter: Errors of lead analyses: dependability of laboratories and clinicians.
D019411:Clinical Laboratory Techniques / Q000379:methods; D003951:Diagnostic Errors; D006801:Humans; D007753:Laboratories / Q000592:standards; D007854:Lead / Q000097:blood*; D007855:Lead Poisoning / Q000175:diagnosis*; D013048:Specimen Handling
D007854:Lead