Evans MF, Poulos C, Smith VK. Who counts in evaluating the effects of air pollution policies on households? Non-market valuation in the presence of dependencies. J Environ Econ Manage. 2011 Jul 1;62(1):65-79.
Spector D, Anthony M, Alexander D, Arab L. Soy consumption and colorectal cancer. Nutr Cancer. 2003;47(1):1-12.
Smith VK, Mansfield CA. Buying time: real and hypothetical offers. J Environ Econ Manage. 1998;36(3):209-24.