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Canker sore - Symptoms and causes - Mayo Clinic
Canker Sore (Aphthous Ulcer): What It Is, Causes & Treatment
Management of Aphthous Ulcers - AAFP
Aphthous ulcers: Causes, Symptoms, Diagnosis, Treatment
Aphthous ulceration (aphthae, ulcers) - DermNet
Aphthous stomatitis - Wikipedia
Canker Sores: Causes, Symptoms, Treatments, and Remedies - WebMD
Canker Sore: Treatments, Causes, and Symptoms - Healthline
Types of Canker Sores, Symptoms, Causes & Treatment - Verywell …
Aphthous Ulcers (Canker Sore): Sing and Treatments - Ada