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| Hai hòn đá ràng buộc với nhau bằng những sợi rơm |
Will a smoker’s lungs clean themselves if they quit smoking and how long
does it take?
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My dad smoked between the ages of 19 and 50. When he was 75, he went to see
a consultant regarding his shortness of breath. They took a chest x-ray.
The co...
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