Ascaris lumbricoides and intestinal perforation.
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D001196:Ascariasis / Q000150:complications* / Q000469:parasitology; D001200:Ascaris / Q000502:physiology; D006801:Humans; D007416:Intestinal Perforation / Q000209:etiology* / Q000469:parasitology; D007422:Intestines / Q000469:parasitology