<style face="normal" font="default" size="100%">The pattern of 'drop-out' of smear-positive cases at an urban leprosy centre.</style>

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0<style face="normal" font="default" size="100%">The pattern of 'drop-out' of smear-positive cases at an urban leprosy centre.</style><style face="normal" font="default" size="100%">The pattern of 'drop-out' of smear-positive cases at an urban leprosy centre.</style>