Open Access Research article

Analysis of the association between CD40 and CD40 ligand polymorphisms and systemic sclerosis

María Teruel*, Carmen P Simeon, Jasper Broen, Madelon C Vonk, Patricia Carreira, Maria Teresa Camps, Rosa García-Portales, Esmeralda Delgado-Frías, Maria Gallego, Gerard Espinosa, the Spanish Scleroderma Group, Lorenzo Beretta, Paolo Airó, Claudio Lunardi, Gabriela Riemekasten, Torsten Witte, Thomas Krieg, Alexander Kreuter, Jörg HW Distler, Nicolas Hunzelmann, Bobby P Koeleman, Alexandre E Voskuyl, Annemie J Schuerwegh, Miguel Ángel González-Gay, Timothy RDJ Radstake and Javier Martin

Arthritis Research & Therapy 2012, 14:R154  doi:10.1186/ar3890

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