de Jong, T., Heinrich, J., Blatter, B. M., Anema, J. R., & van der Beek, A. J. (2009). The feasibility of a web-based counselling program for occupational physicians and employees on sick leave due to back or neck pain. BioMed Central.

de Jong, Tanja, Judith Heinrich, Birgitte M. Blatter, Johannes R. Anema, und Allard J. van der Beek. The Feasibility of a Web-based Counselling Program for Occupational Physicians and Employees On Sick Leave Due to Back or Neck Pain. BioMed Central, 2009.

de Jong, Tanja, et al. The Feasibility of a Web-based Counselling Program for Occupational Physicians and Employees On Sick Leave Due to Back or Neck Pain. BioMed Central, 2009.