<style face="normal" font="default" size="100%">[The polarity concept in leprosy: polar types, polar system, polar concept, dichotomy].</style>

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0<style face="normal" font="default" size="100%">[The polarity concept in leprosy: polar types, polar system, polar concept, dichotomy].</style><style face="normal" font="default" size="100%">[The polarity concept in leprosy: polar types, polar system, polar concept, dichotomy].</style>