Monique Snow Kelly Kreitzer. CYSTIC FIBROSIS. characteristics. Common symptoms of CF are frequent lung infections, failure to digest food, failure to gain weight, and frequent colds.
"Cystic fibrosis." ClassicLayout. World Book, 28 Oct. 2010.
MedlinePlus. “Cystic Fibrosis.” U.S. National Library of Medicine. Bethesda: Dept of Health, 2010. Web. 28 Oct. 2010. <www. Nim.nih.gov>.
Izenburg, N., (2000), Human Diseases and Conditions, Volume 1, Charles Scribner’s Sons, New York, New York.