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. 2023 Jul 13;18:1431–1444. doi: 10.2147/COPD.S411437

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© 2023 Requena et al.

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Kaplan–Meier survival analysis for time to initiation of triple.

Abbreviations: CI, confidence interval; OLO, olodaterol; TIO, tiotropium bromide; UMEC; umeclidinium; VI, vilanterol.