Dinobdella ferox (Annelida: Hirudinea) infestation of the naso-pharynx.
D000818:Animals; D002675:Child, Preschool; D004478:Ectoparasitic Infestations / Q000209:etiology; D005260:Female; D006801:Humans; D007865:Leeches; D008297:Male; D009305:Nasopharynx / Q000469:parasitology*