TY - GEN AU - Kerstjens,Huib A M AU - Moroni-Zentgraf,Petra TI - Tiotropium add-on therapy in patients with uncontrolled asthma SN - 1815-7920 PY - 2016///0307 KW - Anti-Asthmatic Agents KW - therapeutic use KW - Asthma KW - drug therapy KW - Bronchodilator Agents KW - Cholinergic Antagonists KW - Humans KW - Lung KW - drug effects KW - Scopolamine Derivatives N1 - Publication Type: Letter; Comment UR - https://doi.org/10.5588/ijtld.15.0409 ER -