Effects of tiotropium on lung function in severe asthmatics with or without emphysematous changes.
Yoshida M, Nakano T, Fukuyama S, Matsumoto T, Eguchi M, Moriwaki A, Takata S, Machida K, Kanaya A, Matsumoto K, Nakanishi Y, Inoue H.
Yoshida M, et al.
Pulm Pharmacol Ther. 2013 Apr;26(2):159-66. doi: 10.1016/j.pupt.2012.09.007. Epub 2012 Oct 13.
Pulm Pharmacol Ther. 2013.
PMID: 23073336
Clinical Trial.