title: Ascaris infection.
mesh_terms: D000005:Abdomen / Q000601:surgery; D001196:Ascariasis / Q000150:complications*; D001658:Biliary Fistula / Q000209:etiology*; D006801:Humans; D007412:Intestinal Fistula / Q000209:etiology*; D011183:Postoperative Complications