Figure 4From: Pulmonary fibrosis induced by H5N1 viral infection in mice Hydroxyproline contents of lungs after H5N1 infection in mice. The levels of lung hydroxyproline in H5N1 virus-infected mice (Solid bars) and control mice (Open bars) were determined using test kit, and shown as means ± SD from 4 mice each group. * p < 0.05 compared with those in control mice.Back to article page