Effects of inhaled hypertonic (7%) saline on lung function test in preschool children with cystic fibrosis: results of a crossover, randomized clinical trial.
Raffaella NennaFabio MidullaCaterina LambiaseGiovanna De CastroAnna Maria ZicariLuciana IndinnimeoGiuseppe CiminoPatrizia TroianiSerena QuattrucciGiancarlo TancrediPublished in: Italian journal of pediatrics (2017)
ISRCTN12345678 .