The mechanical response of the mouse lung to methacholine in terms of the parameters of the constant-phase model (see Eq. 6 in text). The open squares correspond to control BALB/c mice, while the closed circles represent mice sensitized to and challenged with ovalbumin. Taken from  with permission.
Irvin and Bates Respiratory Research 2003 4:4 doi:10.1186/rr199