An introduction to the National Environmental Methods Index.
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Lawrence H
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Instant Reference Sources, Inc. larrykeith@earthlink.net
Brass
Herbert J
HJ
Sullivan
Daniel J
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Boiani
James A
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Alben
Katherine T
KT
D016208:Databases, Factual; D004782:Environmental Health; D019550:Environmental Medicine / Q000379:methods* / Q000592:standards / Q000706:statistics & numerical data; D006801:Humans; D009313:National Health Programs