@article{Kok2017, author = {Kok, Robin N. and Beekman, Aartjan T. F. and Cuijpers, Pim and van Straten, Annemieke}, doi = {10.1016/j.invent.2017.05.004}, journal = {Internet Interventions}, month = {sep}, pages = {38-45}, title = {Adherence to a web-based pre-treatment for phobias in outpatient clinics}, url = {https://doi.org/10.1016/j.invent.2017.05.004}, volume = {9}, year = {2017} }