TY - GEN AU - Singh,Dave AU - Khan,Naimat AU - Dean,James AU - Fowler,Andrew AU - Gupta,Abhya AU - Endriss,Verena AU - Iacono,Philippe AU - Disse,Bernd TI - FEV SN - 1522-9629 PY - 2021///0212 KW - Administration, Inhalation KW - Adult KW - Aged KW - Aged, 80 and over KW - Anti-Asthmatic Agents KW - administration & dosage KW - Asthma KW - drug therapy KW - Cross-Over Studies KW - Drug Delivery Systems KW - methods KW - Female KW - Forced Expiratory Volume KW - drug effects KW - Humans KW - Lung KW - Male KW - Methacholine Chloride KW - Middle Aged N1 - Publication Type: Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1016/j.pupt.2019.101876 ER -