Long-term cost and utility consequences of short-term clinically important deterioration in patients with chronic obstructive pulmonary disease: results from the TORCH study.
Int J Chron Obstruct Pulmon Dis. 2019 May 3;14:939-951. doi: 10.2147/COPD.S188898. eCollection 2019. Int J Chron Obstruct Pulmon Dis. 2019. PMID: 31190781 Free PMC article. Clinical Trial.
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