W. Hilberdink

Illness perceptions in patients with fibromyalgia.

M. V. van Ittersum, J. Groothoff, C. van der Schans, 2009, Patient education and counseling.

Clinical practice guidelines for physical therapy in patients with osteoarthritis of the hip or knee

J. Dekker, M. Munneke, M. Hopman-Rock, 2003 .