Sputum: Definition, colors, causes, and when to see a doctor
A time-lapse video of a person coughing, with the gray phlegm visibly expelled from the throat. This dynamic image can illustrate the progression of respiratory conditions in medical studies.
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This asset is part of PHLEGM COLOR GRAY published by Printora Studio. Licensed under CC BY 4.0 — Free for personal use. Free to use with attribution.