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      <marc:subfield code="a">Wan, M. T. K.‏, </marc:subfield>
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      <marc:subfield code="a">Toxicity to rainbow trout of selected formulations of 2,4-D and 2,4-D/ diesel oil mixtures / </marc:subfield>
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      <marc:subfield code="a">"In 1983/1984 static fish bioassays were conducted by the Environmental Protection Service, Pacific Region, to compare the acute toxicity to rainbow trout of various formulations of 2,4-D and their mixture with different concentrations of diesel oil"--Abstract, page i.</marc:subfield>
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