Marwin Gutierrez*, Fausto Salaffi, Marina Carotti, Marika Tardella, Carlos Pineda, Chiara Bertolazzi, Elisabetta Bichisecchi, Emilio Filippucci and Walter Grassi
* Corresponding author: Marwin Gutierrez dr.gmarwin@gmail.com
Arthritis Research & Therapy 2011, 13:R134 doi:10.1186/ar3446
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