Thijssen JJJ, Bregantini D. Costly sequential experimentation and project valuation with an application to health technology assessment. J Econ Dyn Control. 2017 Apr 1;77:202-29. doi: 10.1016/j.jedc.2017.01.016
Poulos C, Riewpaiboon A, Stewart JF, Clemens J, Guh S, Agtini M, Anh DD, Baiqing D, Bhutta Z, Sur D, Whittington D. Cost of illness due to typhoid fever in five Asian countries. Trop Med Int Health. 2011 Mar 1;16(3):314-23.
Niaura R, Britt DM, Shadel WG, Goldstein M, Abrams D, Brown R. Symptoms of depression and survival experience among three samples of smokers trying to quit. Psychol Addict Behav. 2001 Mar 1;15(1):13-7.