ELPAT Program report: background and current status (October 1996).
Esche
C A
CA
Department of Health and Human Services, Centers for Disease Control and Prevention, Cincinnati, OH 45226, USA.
Groff
J H
JH
D000068:Accreditation; D000704:Analysis of Variance; D015982:Bias; D004784:Environmental Monitoring / Q000592:standards*; D004785:Environmental Pollutants / Q000032:analysis*; D017408:Guidelines as Topic; D006801:Humans; D007753:Laboratories / Q000592:standards*; D007854:Lead / Q000032:analysis*; D014481:United States; D014484:United States Environmental Protection Agency
D004785:Environmental Pollutants; D007854:Lead