Pneumonia is an infection that inflames the air sacs in one or both lungs.
Pneumonia is an infection that inflames the air sacs in one or both lungs. Alexey Poprotskiy TNS
Pneumonia is an infection that inflames the air sacs in one or both lungs. Alexey Poprotskiy TNS

What do you know about pneumonia?

September 19, 2016 09:12 PM

UPDATED September 20, 2016 02:39 PM

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