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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1991 2
1992 6
1993 5
1994 3
1995 1
1996 1
1999 1
2000 1
2001 2
2024 0

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Page 1
Grading the severity of chronic pain.
Von Korff M, Ormel J, Keefe FJ, Dworkin SF. Von Korff M, et al. Pain. 1992 Aug;50(2):133-149. doi: 10.1016/0304-3959(92)90154-4. Pain. 1992. PMID: 1408309
Meta-analysis. A useful tool for the spine researcher.
Haselkorn JK, Turner JA, Diehr PK, Ciol MA, Deyo RA. Haselkorn JK, et al. Spine (Phila Pa 1976). 1994 Sep 15;19(18 Suppl):2076S-2082S. Spine (Phila Pa 1976). 1994. PMID: 7801186 Review.
Effects of practice style in managing back pain.
Von Korff M, Barlow W, Cherkin D, Deyo RA. Von Korff M, et al. Ann Intern Med. 1994 Aug 1;121(3):187-95. doi: 10.7326/0003-4819-121-3-199408010-00005. Ann Intern Med. 1994. PMID: 8017745
Back pain in primary care. Outcomes at 1 year.
Von Korff M, Deyo RA, Cherkin D, Barlow W. Von Korff M, et al. Spine (Phila Pa 1976). 1993 Jun 1;18(7):855-62. doi: 10.1097/00007632-199306000-00008. Spine (Phila Pa 1976). 1993. PMID: 8316884
Studying the natural history of back pain.
Von Korff M. Von Korff M. Spine (Phila Pa 1976). 1994 Sep 15;19(18 Suppl):2041S-2046S. doi: 10.1097/00007632-199409151-00005. Spine (Phila Pa 1976). 1994. PMID: 7801181
22 results