1. Jones W: Hippocrates. Vol I. Airs, Waters, Places. Cambridge, MA, Harvard University Press, 1984
2. De Lacy P: Galen. On the doctrines of Hippocrates and Plato. Corpus Medicorum Graecorum 1981; 4: 189–191
3. Kleinman A: Rethinking Psychiatry: From Cultural Category to Personal Experience. New York, The Free Press, 1988
4. Littlewood R: Psychiatric diagnosis and racial bias: empirical and interpretive approaches. Soc Sci Med 1992, 34: 141–149
5. Guarnaccia PJ, Good BJ, Kleinman A: A critical review of epidemiological studies of Puerto Rican mental health. Am J Psychiatry 1990; 47: 1449–1456