L. D. Graaf

Improving adherence and effectiveness of computerised cognitive behavioural therapy without support for depression: a qualitative study on patient experiences.

A. Arntz, G. Widdershoven, S. Gerhards, 2011, Journal of Affective Disorders.

Clinical effectiveness of online computerised cognitive–behavioural therapy without support for depression in primary care: randomised trial

H. Riper, A. Arntz, G. Widdershoven, 2009, British Journal of Psychiatry.

Economic evaluation of online computerised cognitive–behavioural therapy without support for depression in primary care: randomised trial

H. Riper, A. Arntz, G. Widdershoven, 2010, British Journal of Psychiatry.

The responsiveness of quality of life utilities to change in depression: a comparison of instruments (SF-6D, EQ-5D, and DFD).

G. Widdershoven, S. Gerhards, L. de Graaf, 2011, Value in health : the journal of the International Society for Pharmacoeconomics and Outcomes Research.

Norms for the Beck Depression Inventory (BDI-II) in a Large Dutch Community Sample

A. Beck, A. Arntz, J. Roelofs, 2013 .

Improving adherence and effectiveness of computerised cognitive behavioural therapy without support for depression: a qualitative study on patient experiences.

A. Arntz, G. Widdershoven, S. Gerhards, 2011, Journal of affective disorders.

One-year follow-up results of unsupported online computerized cognitive behavioural therapy for depression in primary care: A randomized trial.

H. Riper, A. Arntz, G. Widdershoven, 2011, Journal of behavior therapy and experimental psychiatry.

Economic evaluation of online computerised cognitive–behavioural therapy without support for depression in primary care: randomised trial

H. Riper, A. Arntz, G. Widdershoven, 2010, British Journal of Psychiatry.

Economic evaluation of online computerized cognitive behavioural therapy without support for depression in primary care: a randomized trial

H. Riper, S. Gerhards, M. Huibers, 2011 .