| http://www.w3.org/ns/prov#value | - The predominant clinical type was AA in plaques (85.7%) (Table 4); Some authors suggest that the most serious forms of AA (total and universalis) occur more frequently among children, citing percentages of 50% (in plaques), 30% (AT), 20% (AU).8 In one retrospective study18 a prevalence of 7% was observed (AU and AT) and the numbers in previous series were questioned, since they could be reflecting
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