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[1]
National Institute of Environmental Health Sciences
National Institute of Environmental Health Sciences
Township of Durham,
Estados Unidos
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[2]
Constella Group, Research Triangle Park, North Carolina, USA
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[3]
Pathology Associates—A Charles River Company, Durham, North Carolina, USA
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[4]
Experimental Pathology Laboratories, Research Triangle Park, North Carolina, USA
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[5]
Battelle Columbus Laboratories, Columbus, Ohio, USA