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St. Paul, Minn.

Atrazine, frogs, and public health

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Tyrone Hayes
California researcher Tyrone Hayes, who claims links between deformities found in frogs in Minnesota and the herbicide atrazine, spoke with doctors at the Mayo Clinic last January about potential links between cancer and atrazine.
MPR Photo/Sea Stachura
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Tyrone Hayes
California researcher Tyrone Hayes, who claims links between deformities found in frogs in Minnesota and the herbicide atrazine, spoke with doctors at the Mayo Clinic last January about potential links between cancer and atrazine.
MPR Photo/Sea Stachura