A CHICKEN-EMBRYO-LETHAL STRAIN OF DUCK HEPATITIS VIRUS.
D000818:Animals; D002642:Chick Embryo; D002645:Chickens; D006505:Hepatitis; D004371:Hepatitis Virus, Duck; D006518:Hepatitis Viruses; D006520:Hepatitis, Animal; D011201:Poultry Diseases; D012106:Research; D014765:Viral Vaccines; D014780:Viruses
D014765:Viral Vaccines
CHICK EMBRYO; EXPERIMENTAL LAB STUDY; HEPATITIS VIRUSES; HEPATITIS, ANIMAL; POULTRY DISEASES; VERTEBRATE VIRUSES