P154 Safety of tiotropium in pre-school children with symptomatic persistent asthma
H Bisgaard, M Vandewalker, L Graham, P Moroni-Zentgraf, M Engel, G El Azzi, SD Vulcu, H Finnigan, EJLE Vrijlandt
Thorax Dec 2016, 71 (Suppl 3) A166-A167; DOI: 10.1136/thoraxjnl-2016-209333.297