Head lice.
D002648:Child; D005260:Female; D006801:Humans; D007306:Insecticides / Q000008:administration & dosage / Q000009:adverse effects*; D010373:Lice Infestations / Q000188:drug therapy* / Q000453:epidemiology; D008294:Malathion / Q000008:administration & dosage / Q000009:adverse effects*; D008297:Male; D012536:Scalp Dermatoses / Q000188:drug therapy* / Q000453:epidemiology
D007306:Insecticides; D008294:Malathion