ASHIM ARORA, M.D., F.C.C.P.
KELLY SCHLATTER, PA-C, MPAS
BRANDI FORD, FNP-C
http://www.nhlbi.nih.gov/health/dci/Diseases/bron/bron_during.html
http://www.merck.com/mmpe/sec05/ch047/ch047d.html