128046.fig.004a
(a)
128046.fig.004b
(b)
128046.fig.004c
(c)
128046.fig.004d
(d)
Figure 4: Concentration-response relation for Ach in carotid arteries from untreated animals (a) and from animals treated with lipopolysaccharide (b). Data replotted in (c) for controls and in (d) for . Response at maximal relaxation in (b) controls %,    % ( ).