A modified microgel diffusion method and its application in the study of the virus of duck hepatitis.
D000818:Animals; D004372:Ducks; D006505:Hepatitis; D006506:Hepatitis A / Q000662:veterinary*; D011200:Poultry; D011201:Poultry Diseases; D014765:Viral Vaccines
D014765:Viral Vaccines
HEPATITIS, INFECTIOUS/veterinary; POULTRY/diseases