Gundy, C. M., Fayers, P. M., Groenvold, M., Petersen, M. A., Scott, N. W., Sprangers, M. A. G., . . . Aaronson, N. K. (2011). Comparing higher order models for the EORTC QLQ-C30. Springer Netherlands.

Gundy, Chad M., Peter M. Fayers, Mogens Groenvold, Morten Aa Petersen, Neil W. Scott, Mirjam A. G. Sprangers, Galina Velikova, ja Neil K. Aaronson. Comparing Higher Order Models for the EORTC QLQ-C30. Springer Netherlands, 2011.

Gundy, Chad M., et al. Comparing Higher Order Models for the EORTC QLQ-C30. Springer Netherlands, 2011.