The IASP classification of chronic pain for ICD-11: chronic primary pain.
Nicholas M, Vlaeyen JWS, Rief W, Barke A, Aziz Q, Benoliel R, Cohen M, Evers S, Giamberardino MA, Goebel A, Korwisi B, Perrot S, Svensson P, Wang SJ, Treede RD; IASP Taskforce for the Classification of Chronic Pain.
Nicholas M, et al. Among authors: goebel a.
Pain. 2019 Jan;160(1):28-37. doi: 10.1097/j.pain.0000000000001390.
Pain. 2019.
PMID: 30586068
Review.