title: Letter: children's worms.
mesh_terms: D002675:Child, Preschool; D005260:Female; D006801:Humans; D010123:Oxyuriasis / Q000150:complications*; D014526:Urethritis / Q000209:etiology* / Q000469:parasitology; D001743:Urinary Bladder / Q000469:parasitology