Thanks for all of your responses. That article was quite helpful, Jenn.
Sorry, Andee, can't just drop off a sample when I have it - it's a 2 1/2 hr. drive! <img src="i/expressions/face-icon-small-smile.gif" border="0"> I could take it to my local Internist, tho.
I wonder why I am not very productive, compared to so many others? I have PA, my PFT FEV1 runs 44-33%, my last POX was 90. I know I have considerable obstruction, so why don't I get anything up?