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RT @POWERbreatheUK: Respiratory parameters predict poor outcome in #COPD patients, category GOLD 2017 B https://t.co/dPSjpG9nRZ
RT @POWERbreatheUK: Respiratory parameters predict poor outcome in #COPD patients, category GOLD 2017 B https://t.co/dPSjpG9nRZ
Respiratory parameters predict poor outcome in #COPD patients, category GOLD 2017 B https://t.co/dPSjpG9nRZ