1. Abrams, L. J., & Kessler, S. (2002). The inner world of the genetic counselor. Journal Genetic Counseling, 11(1), 5–17.
2. Bates, G., Harper, P., & Jones, L. (2002). Huntington’s Disease. New York: Oxford University Press.
3. Brewer, G. J., Dick, R. D., Yuzbasiyan-Gurkan, V., Johnson, V., & Wang, Y. (1994). Treatment of Wilson’s disease with zinc XIII: therapy with zinc in presymptomatic patients from the time of diagnosis. The Journal of Laboratory and Clinical Medicine, 123, 849–858.
4. Fisher, E. R., & Hayden, M. R. (2014). Multisource ascertainment of huntington disease in Canada:prevalence and population at risk. Movement Disorders, 29(1), 105–114.
5. Folstein, M and Folstein S. (2001). Lutz, Florida: Psychological Assessment Resources, Inc.