Esterberg E, Acharya NR. Corticosteroid-sparing therapy: practice patterns among uveitis specialists. J Ophthalmic Inflamm Infect. 2012 Mar;2(1):21-8. doi: 10.1007/s12348-011-0047-5
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.
Smith VK, Mansfield CA. Buying time: real and hypothetical offers. J Environ Econ Manage. 1998;36(3):209-24.