Pinworm (E. vermicularis) and other intestinal parasites in Costa Rican children.
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D000818:Animals; D002648:Child; D017229:Enterobiasis; D004757:Enterobius; D006801:Humans; D007411:Intestinal Diseases, Parasitic; D007422:Intestines / Q000469:parasitology*; D010123:Oxyuriasis / Q000453:epidemiology* / Q000706:statistics & numerical data*; D010271:Parasites