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Health Topics & Chapters
Canker Sore
m2800216-minor-aphthous-ulcer-lip-science-photo-library-high-resized
Canker Sore

    This photo shows a minor aphthous ulcer (commonly known as a canker sore) on the inside of the lip. The ulcer shown is larger than a typical canker sore.

R P. MARAZZI/SCIENCE PHOTO LIBRARY

In these topics
Recurrent Aphthous Stomatitis

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