Levitt, J. J., Chen, Q. C., May, F. S., Gilbertson, M. W., Shenton, M. E., & Pitman, R. K. (2006). Volume of cerebellar vermis in monozygotic twins discordant for combat exposure: Lack of relationship to post-traumatic stress disorder.

Levitt, James J., Q. Cece Chen, Flavia S. May, Mark W. Gilbertson, Martha E. Shenton, ja Roger K. Pitman. Volume of Cerebellar Vermis in Monozygotic Twins Discordant for Combat Exposure: Lack of Relationship to Post-traumatic Stress Disorder. 2006.

Levitt, James J., et al. Volume of Cerebellar Vermis in Monozygotic Twins Discordant for Combat Exposure: Lack of Relationship to Post-traumatic Stress Disorder. 2006.