Drupal-Bibcite0<style face="normal" font="default" size="100%">Spot test for detection of dapsone in urine: an assessment of its validity and interpretation in monitoring dapsone self-administration.</style><style face="normal" font="default" size="100%">Spot test for detection of dapsone in urine: an assessment of its validity and interpretation in monitoring dapsone self-administration.</style>