Response to "Case study carcinogens: the MBOCA TLV example"

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      <subfield code="a">The journal is pleased to be able to present two distinct viewpoints that analyze the results of an investigation of excess cancers by workers who were exposed to 4,4'-Methylene bis(2-chloroanaline) (MBOCA). These differing viewpoints serve to emphasize the difficulty of confirming human carcinogens</subfield>
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      <subfield code="a">American Industrial Hygiene Association journal</subfield>
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      <subfield code="t">American Industrial Hygiene Association journal</subfield>
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      <subfield code="g">Vol. 54, nº 8, August 1993 ; p. 461-463</subfield>
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