Dietrich, A., Fernandez, T. V., King, R. A., State, M. W., Tischfield, J. A., Hoekstra, P. J., & Heiman, G. A. (2014). The Tourette International Collaborative Genetics (TIC Genetics) study, finding the genes causing Tourette syndrome: Objectives and methods. Springer Berlin Heidelberg.

Dietrich, Andrea, Thomas V. Fernandez, Robert A. King, Matthew W. State, Jay A. Tischfield, Pieter J. Hoekstra, i Gary A. Heiman. The Tourette International Collaborative Genetics (TIC Genetics) Study, Finding the Genes Causing Tourette Syndrome: Objectives and Methods. Springer Berlin Heidelberg, 2014.

Dietrich, Andrea, et al. The Tourette International Collaborative Genetics (TIC Genetics) Study, Finding the Genes Causing Tourette Syndrome: Objectives and Methods. Springer Berlin Heidelberg, 2014.