Minnesota Public Radio slideshow:
Wisconsin researcher says frog deformities increase with use of fertilizers
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This pond has extremely high levels of parasites and frog deformities. It's located just outside of the Twin Cities. (Photo Courtesy of Pieter Johnson, University of Wisconsin)

This pond has extremely high levels of parasites and frog deformities. It's located just outside of the Twin Cities.

(Photo Courtesy of Pieter Johnson, University of Wisconsin)
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