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Diseases and Conditions
Fever Blisters and Canker Sores
Describes the symptoms, treatment, and differences between these two common disorders of the mouth. From the National Institutes of Health.
MayoClinic: What Are Canker Sores?
Describes symptoms, possible causes, treatment, and self care.
MedlinePlus: Canker Sores
Benign, open sores in the soft tissues of the mouth that are also known as aphthous ulcers.
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