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MKSAP: A 21-year-old man is evaluated for painful mouth sores

Test your medicine knowledge with the MKSAP challenge, in partnership with the American College of Physicians.

A 21-year-old man is evaluated for painful sores in his mouth. Episodes of these sores have occurred two to three times yearly since he was 16 years old, and he believes they are associated with stress. They usually appear on the inside of his mouth as a single, round, painful lesion, lasting for 5 …

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MKSAP: A 21-year-old man is evaluated for painful mouth sores

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