Association of graded allele-specific changes in CYP2D6 function with imipramine dose requirement in a large group of depressed patients. - Schenk, P. W.; van Fessem, M. A. C.; Verploegh-Van Rij, S.; Mathot, R. A. A.; van Gelder, T.; Vulto, A. G.; van Vliet, M.; Lindemans, J.; Bruijn, J. A.; van Schaik, R. H. N. (Molecular Psychiatry, 2008)