Ruttenber was an epidemiologist at CU's Health and Sciences Center. He also taught in the Environmental Studies program on the Boulder campus.
Ruttenber and the students were participating in an exchange program with the University of Colima.
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Ruttenber was an epidemiologist at CU's Health and Sciences Center. He also taught in the Environmental Studies program on the Boulder campus.
Ruttenber and the students were participating in an exchange program with the University of Colima.
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