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A US database study characterizing patients initiating a budesonide-formoterol combination versus tiotropium bromide as initial maintenance therapy for chronic obstructive pulmonary disease.
Kern DM, Williams SA, Tunceli O, Wessman C, Zhou S, Pethick N, Elhefni H, Trudo F. Kern DM, et al. Int J Chron Obstruct Pulmon Dis. 2014 Jul 18;9:775-83. doi: 10.2147/COPD.S64491. eCollection 2014. Int J Chron Obstruct Pulmon Dis. 2014. PMID: 25071369 Free PMC article.
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