Prisons/*statistics & numerical data
        Fries, B. E., Schmorrow, A., Lang, S. W., Margolis, P. M., Heany, J., Brown, G. P., Barbaree, H. E., Hirdes, J. P. 2013. Symptoms and treatment of mental illness among prisoners: a study of Michigan state prisons. Int J Law Psychiatry.  36 (3-4) 316-25.