RT Journal Article SR Electronic T1 Increased ventilation heterogeneity in asthma can be attributed to proximal bronchioles JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1901345 DO 10.1183/13993003.01345-2019 VO 55 IS 3 A1 Brody Foy A1 David Kay A1 Salman Siddiqui A1 Chris Brightling A1 Manuel Paiva A1 Sylvia Verbanck YR 2020 UL http://erj.ersjournals.com/content/55/3/1901345.abstract AB