Callahan, M. A., & Sexton, K. (2007). If Cumulative Risk Assessment Is the Answer, What Is the Question? National Institute of Environmental Health Sciences.
Trích dẫn kiểu ChicagoCallahan, Michael A., và Ken Sexton. If Cumulative Risk Assessment Is the Answer, What Is the Question? National Institute of Environmental Health Sciences, 2007.
Trích dẫn MLACallahan, Michael A., và Ken Sexton. If Cumulative Risk Assessment Is the Answer, What Is the Question? National Institute of Environmental Health Sciences, 2007.
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