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Grading the severity of chronic pain.
Von Korff M, Ormel J, Keefe FJ, Dworkin SF. Von Korff M, et al. Among authors: keefe fj. Pain. 1992 Aug;50(2):133-149. doi: 10.1016/0304-3959(92)90154-4. Pain. 1992. PMID: 1408309
469 results