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A patient presents with a chronic palatal ulcer. On biopsy there is evidence of salivary gland infarction and squamous metaplasia of salivary ducts. This is:
Q7: Bifid ribs, calcified falx cerebri, and other
Q8: Which of the following malignancies of the
Q10: Generally, which of the following has the
Q21: _ are characterized by the penetration of
Q24: A 24-year-old patient presents with a persistent
Q37: The principle that the channel should be
Q54: If a political leader convinces the public
Q60: Which statement best depicts how Japan's constitution
Q60: A middle-aged man developed multiple flat ulcers
Q68: What is the most likely cause of