RT Journal Article SR Electronic T1 Newly developed Multiple Breath Washout reference equations from the CHILD Cohort Study: Implications of poorly fitting equations JF ERJ Open Research JO erjor FD European Respiratory Society SP 00301-2020 DO 10.1183/23120541.00301-2020 A1 Zihang Lu A1 Ruixue Dai A1 Krzysztof Kowalik A1 Aimee Dubeau A1 Diana L. Lefebvre A1 Susan Balkovec A1 Allan B. Becker A1 Piush J. Mandhane A1 Stuart E. Turvey A1 Wendy Lou A1 Felix Ratjen A1 Theo J. Moraes A1 Malcolm R. Sears A1 Per M. Gustafsson A1 Padmaja Subbarao YR 2020 UL http://openres.ersjournals.com/content/early/2020/10/08/23120541.00301-2020.abstract AB