Rheumatology Advance Access published online on June 29, 2009
Rheumatology, doi:10.1093/rheumatology/kep179
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© The Author 2009. Published by Oxford University Press on behalf of the British Society for Rheumatology. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org
Comment on: Investigation of candidate polymorphisms and disease activity in rheumatoid arthritis patients on methotrexate: reply
1Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.
Correspondence to:
Yvonne C. Lee, Division of Rheumatology, Immunology and Allergy, 75 Francis Street, PBB-B3, Boston, MA 02115, USA. E-mail: ylee9@partners.org
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SIR, We would like to thank Kooloos et al. [1] for their attention to our article [2]. They emphasize several important points. First, we looked at cross-sectional