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<dl><dd>"CAS no. 51-03-6."</dd>
<dd>Bibliography: p. 45-47</dd></dl><br>Subjects: Carcinogens; Insecticides; Biological Assay; Carcinogens, Environmental; Neoplasms; Piperonyl Butoxide</div>
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National Cancer Institute (U.S.). Division of Cancer Cause and Prevention</div>
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