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[Early treatment of COPD with tiotropium].
Buhl R, Welte T, Vogelmeier C, Gillissen A, Voshaar T, Kögler H, Liu D, Glaab T. Buhl R, et al. Among authors: liu d. Pneumologie. 2012 Oct;66(10):589-95. doi: 10.1055/s-0032-1310281. Epub 2012 Sep 25. Pneumologie. 2012. PMID: 23011771 Free article. Clinical Trial. German.
Tiotropium might improve survival in subjects with COPD at high risk of mortality.
Burgel PR, Paillasseur JL, Dusser D, Roche N, Liu D, Liu Y, Furtwaengler A, Metzdorf N, Decramer M; UPLIFT® Study Investigators. Burgel PR, et al. Among authors: liu y, liu d. Respir Res. 2014 Jun 10;15(1):64. doi: 10.1186/1465-9921-15-64. Respir Res. 2014. PMID: 24913266 Free PMC article. Clinical Trial.
Bronchodilator responsiveness in patients with COPD.
Tashkin DP, Celli B, Decramer M, Liu D, Burkhart D, Cassino C, Kesten S. Tashkin DP, et al. Among authors: liu d. Eur Respir J. 2008 Apr;31(4):742-50. doi: 10.1183/09031936.00129607. Epub 2008 Feb 6. Eur Respir J. 2008. PMID: 18256071 Free article. Clinical Trial.
Exacerbation frequency and course of COPD.
Halpin DM, Decramer M, Celli B, Kesten S, Liu D, Tashkin DP. Halpin DM, et al. Among authors: liu d. Int J Chron Obstruct Pulmon Dis. 2012;7:653-61. doi: 10.2147/COPD.S34186. Epub 2012 Sep 21. Int J Chron Obstruct Pulmon Dis. 2012. PMID: 23055714 Free PMC article.
Consistent improvement in health-related quality of life with tiotropium in patients with chronic obstructive pulmonary disease: Novel and conventional responder analyses.
Tashkin DP, Bateman ED, Jones P, Zubek VB, Metzdorf N, Liu D, Leonard T, Clerisme-Beaty E, Wise RA. Tashkin DP, et al. Among authors: liu d. Respir Med. 2016 Nov;120:91-100. doi: 10.1016/j.rmed.2016.10.002. Epub 2016 Oct 11. Respir Med. 2016. PMID: 27817821 Free article. Clinical Trial.
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