1. ADA (American Diabetes Association): Economic costs of diabetes in the US in 2007;Diabetes Care,2008
2. Revisiting the behavioral model and access to medical care: Does it matter?;Andersen;J Health Soc Behav,1995
3. Human Capital;Becker,1964
4. Becker GS: Human Capital and the Personal Distribution of Income: An Analytical Approach. Ann Arbor, MI, University of Michigan, 1967. Also available in: Becker GS: Human Capital, 3rd ed. Chicago, IL, University of Chicago Press, 1993, pp 102-158
5. A theory of marriage: Part I;Becker;J Polit Econ,1973