Krenz, J. E., Hofmann, J. N., Smith, T. R., Cunningham, R. N., Fenske, R. A., Simpson, C. D., & Keifer, M. (2015). Determinants of Butyrylcholinesterase Inhibition Among Agricultural Pesticide Handlers in Washington State: An Update. Ann Occup Hyg.

Krenz, Jennifer E., Jonathan N. Hofmann, Theresa R. Smith, Rad N. Cunningham, Richard A. Fenske, Christopher D. Simpson, και Matthew Keifer. "Determinants of Butyrylcholinesterase Inhibition Among Agricultural Pesticide Handlers in Washington State: An Update." Ann Occup Hyg 2015.

Krenz, Jennifer E., et al. "Determinants of Butyrylcholinesterase Inhibition Among Agricultural Pesticide Handlers in Washington State: An Update." Ann Occup Hyg 2015.