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Portraits of diverse people

For Researchers


The NIEHS is pleased to announce the availability of a repository of DNA samples collected as part of the Environmental Polymorphisms Registry (EPR). The EPR is an ongoing DNA repository established by the NIEHS Clinical Research Branch to help NIEHS and other scientists screen for genetic polymorphisms in "environmentally sensitive genes."

Portraits of diverse people


Last Reviewed: November 27, 2017

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