http://emedicine.medscape.com/article/1001602-overview article/1001602 Most carriers are asymptomatic Cystic fibrosis article/1001602 http://emedicine.medscape.com/article/1001602-overview http://emedicine.medscape.com/article/1001602-overview Cystic Fibrosis Cystic Fibrosis http://emedicine.medscape.com/article/1001602-overview http://emedicine.medscape.com/article/1001602-overview article/1001602 http://emedicine.medscape.com/article/1001602-overview http://emedicine.medscape.com/article/1001602-overview article/1001602 article/1001602 Cystic fibrosis article/1001602