title: Comparative amino acid analysis of influenza A viral proteins.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D006389:Hemagglutinins, Viral / Q000032:analysis / Q000145:classification; D009980:Influenza A virus / Q000032:analysis* / Q000235:genetics; D011995:Recombination, Genetic; D014764:Viral Proteins / Q000032:analysis*
chemical_list: D000596:Amino Acids; D006389:Hemagglutinins, Viral; D014764:Viral Proteins