Grooten, W. J. A., Tseli, E., Äng, B. O., Boersma, K., Stålnacke, B., Gerdle, B., & Enthoven, P. (2019). Elaborating on the assessment of the risk of bias in prognostic studies in pain rehabilitation using QUIPS—aspects of interrater agreement. Diagn Progn Res.

Grooten, Wilhelmus Johannes Andreas, Elena Tseli, Björn Olov Äng, Katja Boersma, Britt-Marie Stålnacke, Björn Gerdle, e Paul Enthoven. "Elaborating On the Assessment of the Risk of Bias in Prognostic Studies in Pain Rehabilitation Using QUIPS—aspects of Interrater Agreement." Diagn Progn Res 2019.

Grooten, Wilhelmus Johannes Andreas, et al. "Elaborating On the Assessment of the Risk of Bias in Prognostic Studies in Pain Rehabilitation Using QUIPS—aspects of Interrater Agreement." Diagn Progn Res 2019.