title: Oesophagostomum species in pigs in England. 2. Oesophagostomum quadrispinulatum: resistance to reinfection.
mesh_terms: D000818:Animals; D004739:England; D005260:Female; D008297:Male; D009814:Oesophagostomiasis / Q000469:parasitology / Q000662:veterinary*; D009815:Oesophagostomum / Q000254:growth & development; D013552:Swine; D013553:Swine Diseases / Q000469:parasitology*