1. Smith DR, Snell WE Jr. Goldberg's bipolar measure of the Big-Five personality dimensions: reliability and validity. Eur J Pers. 1996;10:283-299.
2. Cooper DL, Healy MA, Simpson J. Student development through involvement: specific changes over time. J Coll Stud Dev. 1994;35:98-102.
3. Bramness JG, Fixdal TC, Vaglum P. Effects of medical school stress on mental health of medical students in early and late clinical curriculum. Acta Psychiatr Scand. 1991;84:340-345.
4. Heins M, Fahey SN, Leiden LL. Perceived stress in medical, law, and graduate students. J Med Educ. 1984;59:169-179.
5. Pritchard ME, McIntosh DN. What predicts psychological outcomes among law students? A longitudinal panel study. J Soc Psychol. 2003;143:727-745.