Schrag, A., Gilbert, R., Giovannoni, G., Robertson, M. M., Metcalfe, C., & Ben-Shlomo, Y. (2009). Streptococcal infection, Tourette syndrome, and OCD: Is there a connection? American Academy of Neurology.

Schrag, A., R. Gilbert, G. Giovannoni, M M. Robertson, C. Metcalfe, and Y. Ben-Shlomo. Streptococcal Infection, Tourette Syndrome, and OCD: Is There a Connection? American Academy of Neurology, 2009.

Schrag, A., et al. Streptococcal Infection, Tourette Syndrome, and OCD: Is There a Connection? American Academy of Neurology, 2009.