Letter
5HT2A polymorphism His452Tyr in a German Caucasian systemic sclerosis population – authors' response
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* Corresponding author: Raffaella Scorza raffaella.scorza@unimi.it
Referral Center for Systemic Autoimmune Diseases, IRCCS Fondazione Policlinico-Mangiagalli-Regina Elena and University of Milan, Via Pace, 20122, Milan, Italy
Arthritis Research & Therapy 2009, 11:404 doi:10.1186/ar2635
Published: 26 March 2009First paragraph (this article has no abstract)
The variance of results between our recent article [1] and the replication study by Kirsten and colleagues [2] in German patients may prompt the reader to ask the simple question: what conclusion can be drawn from these contradictory results?