Effects of gender and age of diagnosis on disease progression in long-term survivors of cystic fibrosis - Nick, Jerry A.; Janssen, Jennifer S.; Nichols, David P.; Young, Robert L.; St. Clair, Connie G.; Barboa, Christine M.; Jones, Marion C.; Brayshaw, Sara J.; Chacon, Cathy S. (American journal of respiratory and critical care medicine, 2010)