1. Gold MR, Siegel JE, Russell LB, Weinstein MC. Cost-effectiveness in health and medicine. New York, Oxford: Oxford University Press; 1996.
2. Gold MR, Patrick DL, Hadorn DC, MS Kamlet, Torrance GW, Fryback DG, et al. Identifying and valuing outcomes. In: Gold MR, Siegel JE, Russell LB, Weinstein MC, editors. Cost-effectiveness in health and medicine. New York, Oxford: Oxford University Press; 1996. p. 82–134.
3. Neumann PJ, Goldie SJ, Weinstein MC. Preference-based measures in economic evaluation in health care. Annu Rev Public Health 2000;21:587–611.
4. Bell C, Chapman RC, Sandberg EA, Stone PW, Neumann PJ. An off-the-shelf help list: a comprehensive catalog of preference weights from published cost-utility analyses. Med Decis Mak 1999;19:519.
5. Dijkers MP. Quality of life after traumatic brain injury: a review of research approaches and findings. Arch Phys Med Rehabil 2004;85(Suppl 2):S21–35.