what happens when you swallow phlegm you cough up

what happens when you swallow phlegm you cough up. There are some references to what happens when you swallow phlegm you cough up in this article. If you are looking for what happens when you swallow phlegm you cough up you've came to the right place. We have posts about what happens when you swallow phlegm you cough up. You can check it out below.

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