[Liver cancer, liver disease background and virus-like particles in serum among ducks from high incidence area of human hepatocellular carcinoma (author's transl)].
D000818:Animals; D006528:Carcinoma, Hepatocellular / Q000382:microbiology / Q000662:veterinary*; D004372:Ducks / Q000382:microbiology*; D006801:Humans; D008107:Liver Diseases / Q000382:microbiology / Q000662:veterinary*; D008113:Liver Neoplasms / Q000382:microbiology / Q000473:pathology / Q000662:veterinary*; D011201:Poultry Diseases / Q000382:microbiology* / Q000473:pathology; D014780:Viruses / Q000302:isolation & purification*