The Pain Drawing and Waddellʼs Nonorganic Physical Signs in Chronic Low-Back Pain
- 1 October 1993
- journal article
- research article
- Published by Ovid Technologies (Wolters Kluwer Health) in Spine
- Vol. 18 (13), 1717-1722
- https://doi.org/10.1097/00007632-199310000-00001