Fig. 2

a Graphical representation of the progression of body weight in mice from all experimental groups over the study period in the 20-week time-cohort. The following signs have been used in each group: control (diamonds), U group (squares), and E–U group (triangles). b Graphical representation of the progression of body weight in mice from all experimental groups over the study period in the 35-week time-cohort. The following signs have been used in each group: control (diamonds), U group (squares), and E–U group (triangles). E–U elastase–urethane, U urethane