Head lice vs. white piedra: something to consider.
D000293:Adolescent; D000818:Animals; D002648:Child; D002675:Child, Preschool; D005260:Female; D006201:Hair Diseases / Q000175:diagnosis* / Q000382:microbiology / Q000469:parasitology; D006801:Humans; D010373:Lice Infestations / Q000175:diagnosis*; D008297:Male; D010374:Pediculus; D010854:Piedra / Q000175:diagnosis*