Hays, R. D., Smith, A. W., Reeve, B. B., Spritzer, K. L., Marcus, S. E., & Clauser, S. B. (2008). Cigarette Smoking and Health-Related Quality of Life in Medicare Beneficiaries. CENTERS for MEDICARE & MEDICAID SERVICES.

Hays, Ron D., Ashley Wilder Smith, Bryce B. Reeve, Karen L. Spritzer, Stephen E. Marcus, und Steven B. Clauser. Cigarette Smoking and Health-Related Quality of Life in Medicare Beneficiaries. CENTERS for MEDICARE & MEDICAID SERVICES, 2008.

Hays, Ron D., et al. Cigarette Smoking and Health-Related Quality of Life in Medicare Beneficiaries. CENTERS for MEDICARE & MEDICAID SERVICES, 2008.