title: Acquired resistance in ducks to infection with the psilostome trematode Sphaeridiotrema globulus (Rudolphi, 1814).
mesh_terms: D000818:Animals; D004372:Ducks; D011201:Poultry Diseases / Q000276:immunology*; D012908:Snails; D013997:Time Factors; D014201:Trematode Infections / Q000276:immunology / Q000662:veterinary*