... K., and Bindman, A. B. Physician supply and access to care in urban communities. Health Affairs, 16 ( 199 7): 71 – 86. 62. Williams, D. R., and Rucker, T. D. Understanding and addressing racial ... Promotion Planning: An Education and Ecological Approach, 3rd ed. Mountain View, Cal.: Mayfi eld, 199 9. 29. Grzywacz, J. G., and Fuqua, J. The social ecology of health: Leverage points and linkages. ... Earthscan, 199 6. 83. Kawachi, I., and Berkman, L. F. Social ties and mental health. Journal of Urban Health, 78 (2001): 458 – 467. 84. Kawachi, I., Kennedy, B. P., and Glass, R. Social capital and...