Brook, R. A., Rajagopalan, K., Kleinman, N. L., Smeeding, J. E., Brizee, T. J., & Gardner, H. H. (2006). Incurring Greater Health Care Costs: Risk Stratification of Employees With Bipolar Disorder. Physicians Postgraduate Press, Inc.

Brook, Richard A., Krithika Rajagopalan, Nathan L. Kleinman, James E. Smeeding, Truman J. Brizee, và Harold H. Gardner. Incurring Greater Health Care Costs: Risk Stratification of Employees With Bipolar Disorder. Physicians Postgraduate Press, Inc, 2006.

Brook, Richard A., et al. Incurring Greater Health Care Costs: Risk Stratification of Employees With Bipolar Disorder. Physicians Postgraduate Press, Inc, 2006.