scientific article published on 13 July 2012
author: Philip Helliwell, Dafna D. Gladman, Ennio Lubrano Di Scorpaniello, Eduardo Kerzberg, Peter Nash, Euthalia Roussou, Raffaele Scarpa, Enrique R Soriano, Philip J Mease, Alberto Cauli, Giovanni Porru, Antonio Marchesoni, Sueli Carneiro, Ilona Ujfalussy, Paul P Tak, Vibeke Strand, Kristina Callis Duffin, Oliver FitzGerald, Kurt de Vlam
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