http://www.w3.org/ns/prov#value | - Despite such observations, risk factors such as fair complexion and light hair, a tendency to sunburn, a history of painful or blistering sunburn in childhood, an indoor occupation with outdoor recreational habits, a personal history of melanoma, and a personal history of dysplastic or congenital nevus (xeroderma pigmentosum and basal cell nevus syndrome) have no role in the etiology of oral melan
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