Key Citations:
1. Cothran H. Business Retention and Expansion (BRE) Programs: Why Existing Businesses Are Important. Food and Resource Economics Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. 1 Aug. 2006. Web. 4 Feb. 2013. Available here
2. Virtanen M, Mika K, MaElovainio, Pekka Virtanen, and Jussi Vahtera. “Local Economy and Sickness Absence: Prospective Cohort Study.” Journal of Epidemiology and Community Health 59, no. 11.
3.Takano T, Nakamura K. An analysis of health levels and various indicators of urban environments for Healthy Cities projects. Epidemiol Community Health. 2001; 55: 263-270.