What does 'cough up' mean? - YouTube
Why COVID-19 May Cause Some People To Cough Up Blood
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How to Cough Up Mucus & Phlegm | Managing COPD
That Nagging Cough - Harvard Health Publishing - Harvard Health
Takes a whole new meaning to "coughing up a lung". : r/interestingasfuck
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Coughing Up Phlegm: Causes and Treatment
Man, 36, literally coughed up part of his LUNG after he was hospitalized with heart palpitations | Daily Mail Online
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Reasons You're Coughing Up White Mucus
Idiom Of The Day - Cough Up - Learn English at QLanguage HK
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