title: Cold-adapted recombinants of influenza A virus in MDCK cells. I. Development and characterization of A/Ann Arbor/6/60 X A/Alaska/6/77 recombinant viruses.
mesh_terms: D000222:Adaptation, Physiological; D000818:Animals; D002460:Cell Line; D003080:Cold Temperature; D004285:Dogs; D005814:Genes, Viral; D009980:Influenza A virus / Q000235:genetics* / Q000254:growth & development; D012367:RNA, Viral / Q000235:genetics; D011995:Recombination, Genetic
chemical_list: D012367:RNA, Viral