title: Extended studies on chemoprophylaxis against leprosy.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D002986:Clinical Trials as Topic; D003622:Dapsone / Q000627:therapeutic use*; D004311:Double-Blind Method; D005260:Female; D006801:Humans; D007223:Infant; D007918:Leprosy / Q000517:prevention & control*; D008297:Male
chemical_list: D003622:Dapsone