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Pro-inflammatory marker concentration on Calu-3 cells at control (ΔP=0 cmH2O) and after ΔP=5, 10, 15 and 20 cmH2O continuous positive airway pressure application for 10 min at humidity level 0 and 7: a) interleukin (IL)-6 and b) IL-8. Data are presented as mean±sd, n=3. *: p<0.05.
