Common intestinal parasitic infections in the school-age population.
D000367:Age Factors; D001196:Ascariasis; D002648:Child; D006801:Humans; D007411:Intestinal Diseases, Parasitic / Q000453:epidemiology / Q000517:prevention & control / Q000635:transmission; D009332:Necatoriasis; D010123:Oxyuriasis; D013322:Strongyloidiasis; D014235:Trichinellosis; D014257:Trichuriasis; D014481:United States