title: Ascaris--a practical joke?
mesh_terms: D000818:Animals; D001196:Ascariasis / Q000209:etiology* / Q000276:immunology; D001200:Ascaris / Q000254:growth & development; D006801:Humans; D008174:Lung Diseases, Parasitic / Q000209:etiology* / Q000276:immunology; D013045:Species Specificity; D013552:Swine