title: ELECTRON MICROSCOPY OF VIRUSLIKE PARTICLES ASSOCIATED WITH DUCK VIRAL HEPATITIS.
mesh_terms: D000818:Animals; D004372:Ducks; D004583:Electrons; D006505:Hepatitis; D006518:Hepatitis Viruses; D006520:Hepatitis, Animal; D008853:Microscopy; D008854:Microscopy, Electron; D011200:Poultry; D012106:Research
keywords: EXPERIMENTAL LAB STUDY; HEPATITIS VIRUSES; HEPATITIS, ANIMAL; MICROSCOPY, ELECTRON; POULTRY