RT Journal Article SR Electronic T1 Vitamin D replacement in children with acute wheeze: a dose-escalation study JF ERJ Open Research JO erjor FD European Respiratory Society SP 00609-2021 DO 10.1183/23120541.00609-2021 A1 Christos Stefanidis A1 Andrew Bush A1 Christopher Newby A1 Chinedu Nwokoro A1 Susan Liebeschuetz A1 Imogen p Skene A1 Christopher J Griffiths A1 Adrian R Martineau YR 2022 UL http://openres.ersjournals.com/content/early/2022/02/03/23120541.00609-2021.abstract AB