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OBJECTIVE To develop criteria for the classification of macrophage activation syndrome (MAS) in patients with systemic juvenile idiopathic arthritis (JIA). METHODS A multistep process, based on a(More)
OBJECTIVE To analyze which physiologic stimuli induce secretion of myeloid-related protein 8 (MRP8) and MRP14, two S100 proteins expressed in neutrophils and monocytes, and to determine whether serum(More)