- CALL interrupted in a patient with non-specific mental retardation: gene dosage-dependent alteration of murine brain development and behavior. Frints, S.G., Marynen, P., Hartmann, D., Fryns, J.P., Steyaert, J., Schachner, M., Rolf, B., Craessaerts, K., Snellinx, A., Hollanders, K., D'Hooge, R., De Deyn, P.P., Froyen, G. Hum. Mol. Genet. (2003)