Figure 1From: Serum activin A and B, and follistatin in critically ill patients with influenza A(H1N1) infection Serum levels of activin A, activin B, follistatin, the activin A/follistatin ratio, interleukin 6 and interleukin 10 at baseline (D0), and on days two (D2) and seven (D7). Highest values are also displayed. Markers represent individual patient values, and median with interquartile range.Back to article page