1 Diteweg, H., Van Oostwaard, A., Tempelman, H., Vermeer, A., Appels, M., Van der Schaaf, M.F., & Maree, D.J.F. (2013). Aids awareness and VCT behaviour: An application of the integrated model of behaviour prediction. Health SA Gesondheid, 18(1), 1-10.
 
2 Bossema, E.R., de Haar C.A., Westerhuis, W., Beenackers, B.P., Blom, B.C., Appels, M.C.M., & van Oeveren, C.J. (2011). Psychoeducation for patients with a psychotic disorder: effects of knowledge and coping. Prim Care Companion CNS Disord., 13 (4).

3 Palmen, S.J., Hulshoff Pol, H.E., Kemner, C., Schnack, H.G., Sitskoorn, M.M., Appels, M.C.M., Kahn, R.S., & Van Engeland, H. (2005). Brain anatomy in non-affected parents of autistic probands: a MRI study. Psychol Med., 35(10), 1411-1420

4 Appels, M.C.M., Sitskoorn, M.M., Vollema, M., & Kahn, R.S. (2004). Elevated levels of schizotypal features in parents of patients with a family history of schizophrenia spectrum disorders. Schizophrenia Bulletin, 30(4), 781-790.

5 Sitskoorn, M.M., Aleman, A., Ebisch, S.J.H., Appels, M.C.M., & Kahn, R.S. (2004). Cognitive deficits in relatives of patients with schizophrenia: a meta-analysis. Schizophrenia Research, 71(2-3), 285-295   

6 Sitskoorn, M.M., Ebisch, S.J.H., Appels, M.C.M., Nuyen, J., & Kahn, R.S. (2004). Memory profiles in parents of patients with schizophrenia. Psychiatry Research, 128(1), 27-37.

7 Appels, M.C.M., Sitskoorn, M.M., Westers, P., Lems, E., & Kahn, R.S. (2003). Cognitive dysfunctions in parents of schizophrenic patients parallel the deficits found in patients. Schizophrenia Research, 63(3), 285-293.

8 Appels, M.C.M., Sitskoorn, M.M., de Boo, M., Klumpers, U., Elderson, A.,  Kemps, A., & Kahn, R.S. (2002). Neurological functioning in parents of schizophrenic patients. NeuroReport, 13 (5), 575-579.

9 Sitskoorn, M.M., Nuyen, J., Appels, M.C.M., van der Wee, N.J.A., & Kahn, R.S. (2002). Release of proactive inhibition in schizophrenia and its potential as a genotypic marker”.  Journal of clinical and experimental neuropsychology, 24 (1), 67-81.

10 Vollema, M.G., Sitskoorn, M.M., Appels, M.C.M., & Kahn, R.S. (2002). Does the Schizotypal Personality Questionnaire reflect the biological –genetic vulnerability to schizophrenia? Schizophrenia Research, 54, 39-45.

11 Sitskoorn, M.M., Appels, M.C.M., Hulshoff Pol, H.E., &, Kahn, R.S. (2000). Evidence of fronto-thalamic involvement in schizophrenia.  Progress in Brain Research, 126, 343-355.