%0 Letter %T Digital clubbing in cystic fibrosis: The nails as clues to advanced disease. %A Hill RC %A Axler E %A Lipner SR %J J Am Acad Dermatol %V 0 %N 0 %D 2024 Jul 9 %M 38992504 %F 15.487 %R 10.1016/j.jaad.2024.06.075