Do We Need the Pre Imperposed Broncho Dilator to Prove That It's a Fixe Obstruction?

There is a lot of variability in the bronco diler response. We know that patients who have seopity has fif obstruction. So this helps you not only to dignoso pid by itself, but also to exclude other conditions. What's going on under condition? But to our surprise, 50 % of those individuals hav everything was normal. And 20 % hav intereste sal lon desas.