Comparison of lung clearance index determined by washout of N2 and SF6 in infants and preschool children with cystic fibrosis - Stahl, Mirjam; Joachim, Cornelia; Wielpütz, Mark Oliver; Mall, Marcus A. (Journal of cystic fibrosis, 2019)
Im Titel sind die Zahlen "2" und "6" tiefgestellt