Levels of gastrin-releasing peptide and substance P in synovial fluid and serum correlate with levels of cytokines in rheumatoid arthritis

Correction

Ola Grimsholm¹^*, Solbritt Rantapää-Dahlqvist² and Sture Forsgren¹

¹ Department of Integrative Medical Biology, Section for Anatomy, Umeå University, Umeå, Sweden

² Department of Rheumatology, Umeå University Hospital, Umeå, Sweden

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Arthritis Research & Therapy 2008, 10:410 doi:10.1186/ar2546

The electronic version of this article is the complete one and can be found online at: http://arthritis-research.com/content/10/6/410

Published:

12 November 2008

After publication of our recent article [1], we noticed an error in Table 4, 'Factor analysis on STNFR1 and neuropeptides in serum'.

The value for variable BDNF (0.829; Factor 2) is missing.

The correct table and legend is given here as Table 1 (a corrected version of Table 4 [1]).

Table 1. Factor analysis on sTNFR1 and neuropeptides in serum

The authors declare that they have no competing interests.

Grimsholm O, Rantapää-Dahlqvist S, Forsgren S: Levels of gastrin-releasing peptide and substance P in synovial fluid and serum correlate with levels of cytokines in rheumatoid arthritis.
Arthritis Res Ther 2005, 7:R416-R426. PubMed Abstract | BioMed Central Full Text | PubMed Central Full Text