Children and young adults with CF in the USA have better lung function compared with the UK
Christopher H Goss, Stephanie J MacNeill, Hebe B Quinton, Bruce C Marshall, Alexander Elbert, Emily A Knapp, Kristofer Petren, Elaine Gunn, Joanne Osmond, Diana Bilton
Thorax Mar 2015, 70 (3) 229-236; DOI: 10.1136/thoraxjnl-2014-205718