de Boo, G. M., Tibben, A., Lanser, J. B., Jennekens-Schinkel, A., Hermans, J., Vegter-van der Vlis, M., & Roos, R. A. (1997). Intelligence indices in people with a high/low risk for developing Huntington's disease.

de Boo, G M., A. Tibben, J B. Lanser, A. Jennekens-Schinkel, J. Hermans, M. Vegter-van der Vlis, et R A. Roos. Intelligence Indices in People With a High/low Risk for Developing Huntington's Disease. 1997.

de Boo, G M., et al. Intelligence Indices in People With a High/low Risk for Developing Huntington's Disease. 1997.