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Predictors of first-year survival in patients with advanced COPD treated using long-term oxygen therapy 245

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September 2025 October 2025 November 2025 December 2025 January 2026 February 2026 March 2026
Predictors of first-year survival in patients with advanced COPD treated using long-term oxygen therapy 35 5 22 14 4 6 0

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