Fig. 2From: Serial change of neutrophil extracellular traps in tracheal aspirate of patients with acute respiratory distress syndrome: report of three casesTime course images of immunostaining of tracheal aspirates and changes of PaO2/FiO2 ratio, white blood cell count (WBC), and C-reactive protein (CRP) in case 2. Steroids were not given over the course of hospitalization. Blue: DAPI; red: histone H3; green: citrullinated histone H3. White arrowheads indicate NETs. Scale bar = 30 μmBack to article page