<style face="normal" font="default" size="100%">Secular trends in age at onset, sex ratio, and type index in leprosy observed during declining incidence rates.</style>

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0<style face="normal" font="default" size="100%">Secular trends in age at onset, sex ratio, and type index in leprosy observed during declining incidence rates.</style><style face="normal" font="default" size="100%">Secular trends in age at onset, sex ratio, and type index in leprosy observed during declining incidence rates.</style>