<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
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      <marc:subfield code="a">eng</marc:subfield>
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      <marc:subfield code="a">CW69-1/21E-PDF</marc:subfield>
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      <marc:subfield code="a">Rick, Anne Meachem.</marc:subfield>
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    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Use of museum specimens in toxic chemical research </marc:subfield>
      <marc:subfield code="h">[electronic resource] / </marc:subfield>
      <marc:subfield code="c">by Anne Meachem Rick.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="260" ind1=" " ind2=" ">
      <marc:subfield code="a">Ottawa : </marc:subfield>
      <marc:subfield code="b">Canadian Wildlife Service, </marc:subfield>
      <marc:subfield code="c">c1975.</marc:subfield>
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      <marc:subfield code="a">21 p.</marc:subfield>
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      <marc:subfield code="a">Occasional paper ; </marc:subfield>
      <marc:subfield code="v">no. 21</marc:subfield>
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      <marc:subfield code="a">Digitized edition from print [produced by Environment and Climate Change Canada].</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
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    <marc:datafield tag="520" ind1="3" ind2=" ">
      <marc:subfield code="a">"Biological samples provide valuable data on contamination of the environment by toxic chemicals, and much knowledge of current environmental toxic chemical distribution has been derived from chemical analyses of plants and animals. Museum specimens, collected at various times in the past, can provide historical information concerning environmental toxic chemical incidence, thus adding another dimension to environmental contamination studies.The nature of biological specimens in various types of museum collections is described"--Abstract.</marc:subfield>
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      <marc:subfield code="a">Includes abstract in French.</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
      <marc:subfield code="a">Toxicology</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Environment Canada.</marc:subfield>
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      <marc:subfield code="a">Canadian Wildlife Service.</marc:subfield>
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    <marc:datafield tag="830" ind1="#" ind2="0">
      <marc:subfield code="a">Occasional paper (Canadian Wildlife Service)</marc:subfield>
      <marc:subfield code="v">no. 21</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.504780</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="856" ind1="4" ind2="0">
      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">1.26 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2018/eccc/CW69-1-21-eng.pdf</marc:subfield>
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