![Macro-shot-of-a-injury-in-the-mouth-called-Aphthous-stomatitis-or-canker-sores](https://videocdn.cdnpk.net/videos/39624947-619a-4e0c-b43a-80a9e25bd40a/horizontal/thumbnails/small.jpg)
Macro shot of a injury in the mouth called Aphthous stomatitis or canker sores
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