in this refractory state six patients failed to respond to antigen challenge ( 6 +/- 4 % sem fall in fev1 compared with the 30 +/- 3 % fall in control study , p less than 0.001 ) , suggesting a common pathway for eia and aia , such as the exhaustion of stored chemical mediators .
C0004099
eia
C0004096
aia