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Bronchoalveolar lavage fluid (BALF) cytokine levels of interleukin 8 (IL-8) (a) and CCL2 (b) in systemic sclerosis (SSc) patients are associated with BAL cell differentiation and alveolitis subgroup. Cykokine levels found in BALF from patients with neutrophilic, mixed, and lymphocytic alveolitis were compared. SSc patients without any signs of alveolitis are used as controls.
