van Ballegooijen, W., Cuijpers, P., van Straten, A., Karyotaki, E., Andersson, G., Smit, J. H., & Riper, H. (2014). Adherence to Internet-Based and Face-to-Face Cognitive Behavioural Therapy for Depression: A Meta-Analysis. Public Library of Science.

van Ballegooijen, Wouter, Pim Cuijpers, Annemieke van Straten, Eirini Karyotaki, Gerhard Andersson, Jan H. Smit, and Heleen Riper. Adherence to Internet-Based and Face-to-Face Cognitive Behavioural Therapy for Depression: A Meta-Analysis. Public Library of Science, 2014.

van Ballegooijen, Wouter, et al. Adherence to Internet-Based and Face-to-Face Cognitive Behavioural Therapy for Depression: A Meta-Analysis. Public Library of Science, 2014.