Steinman, M. A., L. P. Sands, and K. E. Covinsky. 2001. Self-restriction of medications due to cost in seniors without prescription coverage. Journal of General Internal Medicine 16(12):793-799.

Steinman, M. A., M. A. Fischer, M. G. Shlipak, H. B. Bosworth, E. Z. Oddone, B. B. Hoffman, and M. K. Goldstein. 2004. Clinician awareness of adherence to hypertension guidelines. American Journal of Medicine 117(10):747-754.

Stockwell, D. H., S. Madhavan, H. Cohen, G. Gibson, and M. H. Alderman. 1994. The determinants of hypertension awareness, treatment, and control in an insured population. American Journal of Public Health 84(11):1768-1774.

Stuart, B., and J. Grana. 1998. Ability to pay and the decision to medicate. Medical Care 36(2):202-211.

Svetkey, L. P., D. Simons-Morton, W. M. Vollmer, L. J. Appel, P. R. Conlin, D. H. Ryan, J. Ard, and B. M. Kennedy. 1999. Effects of dietary patterns on blood pressure: Subgroup analysis of the Dietary Approaches to Stop Hypertension (DASH) randomized clinical trial. Archives of Internal Medicine 159(3):285-293.

Taira, D. A., K. S. Wong, F. Frech-Tamas, and R. S. Chung. 2006. Copayment level and compliance with antihypertensive medication: Analysis and policy implications for managed care. American Journal of Managed Care 12(11):678-683.

Tamblyn, R., R. Laprise, J. A. Hanley, M. Abrahamowicz, S. Scott, N. Mayo, J. Hurley, R. Grad, E. Latimer, R. Perreault, P. McLeod, A. Huang, P. Larochelle, and L. Mallet. 2001. Adverse events associated with prescription drug cost-sharing among poor and elderly persons. Journal of the American Medical Association 285(4):421-429.

Tseng, C. W., R. H. Brook, E. Keeler, W. N. Steers, and C. M. Mangione. 2004. Cost-lowering strategies used by Medicare beneficiaries who exceed drug benefit caps and have a gap in drug coverage. Journal of the American Medical Association 292(8):952-960.

Vollmer, W. M., L. P. Svetkey, L. J. Appel, E. Obarzanek, P. Reams, B. Kennedy, K. Aicher, J. Charleston, P. R. Conlin, M. Evans, D. Harsha, and S. Hertert. 1998. Recruitment and retention of minority participants in the DASH controlled feeding trial. DASH Collaborative Research Group. Dietary Approaches to Stop Hypertension. Ethnicity and Disease 8(2):198-208.

Weissman, J. S., C. Gatsonis, and A. M. Epstein. 1992. Rates of avoidable hospitalization by insurance status in Massachusetts and Maryland. Journal of the American Medical Association 268(17):2388-2394.

Wilson, J., K. Axelsen, and S. Tang. 2005. Medicaid prescription drug access restrictions: Exploring the effect on patient persistence with hypertension medications. American Journal of Managed Care 11(Spec No):SP27-SP34.

Witmer, A., S. D. Seifer, L. Finocchio, J. Leslie, and E. H. O’Neil. 1995. Community health workers: Integral members of the health care work force. American Journal of Public Health 85(8 Pt 1):1055-1058.

Woolhandler, S., and D. U. Himmelstein. 1988. Reverse targeting of preventive care due to lack of health insurance. Journal of the American Medical Association 259(19):2872-2874.

Wright, J. T., Jr., G. Bakris, T. Greene, L. Y. Agodoa, L. J. Appel, J. Charleston, D. Cheek, J. G. Douglas-Baltimore, J. Gassman, R. Glassock, L. Hebert, K. Jamerson, J. Lewis, R. A. Phillips, R. D. Toto, J. P. Middleton, S., and G. Rostand, for the African American Study of Kidney Disease and Hypertension Study Group. 2002. Effect of blood pressure lowering and antihypertensive drug class on progression of hypertensive kidney disease: Results from the AASK trial. [see comment] [erratum appears in 2006 Journal of the American Medical Association 295(23):2726]. Journal of the American Medical Association 288(19):2421-2431.