title: On Diphyllobothrium medium (Fahmy, 1954) parasitic in trout in Great Britain.
mesh_terms: D000818:Animals; D004170:Diphyllobothrium; D005399:Fishes / Q000469:parasitology*; D006801:Humans; D014337:Trout; D006113:United Kingdom
keywords: DIPHYLLOBOTHRIUM; FISH/parasitology