title: The in vivo production of "new" influenza A viruses. II. In vivo isolation of "new" viruses.
mesh_terms: D000818:Animals; D015478:Antigens, Heterophile; D002645:Chickens; D000939:Epitopes; D005827:Genetics, Microbial; D006385:Hemagglutination Inhibition Tests; D006389:Hemagglutinins, Viral / Q000032:analysis; D006824:Hybridization, Genetic; D007114:Immunization; D009980:Influenza A virus / Q000201:enzymology / Q000276:immunology; D008168:Lung; D009439:Neuraminidase; D009500:Neutralization Tests; D009975:Orthomyxoviridae / Q000201:enzymology / Q000276:immunology / Q000302:isolation & purification*; D011995:Recombination, Genetic; D014020:Tissue Extracts; D014422:Turkeys; D014765:Viral Vaccines
chemical_list: D015478:Antigens, Heterophile; D000939:Epitopes; D006389:Hemagglutinins, Viral; D014020:Tissue Extracts; D014765:Viral Vaccines; D009439:Neuraminidase