Influenza virus neuraminidase and the viral surface.

Amino Acids/metabolism Animals Antigens Carbon Isotopes Cattle Centrifugation, Density Gradient Chemical Phenomena Chemistry Chromatography, Gel Colostrum Extraembryonic Membranes Female Hemagglutination Inhibition Tests Hemagglutination Tests Immune Sera Lactose Membranes Methods Molecular Weight Mucoproteins Neuraminic Acids Neuraminidase/analysis,isolation & purification Orthomyxoviridae/enzymology,isolation & purification,metabolism Peptide Hydrolases Protein Hydrolysates Rabbits Tritium Ultracentrifugation Uridine/metabolism Viral Proteins

Amino Acids Antigens Carbon Isotopes Immune Sera Mucoproteins Neuraminic Acids Protein Hydrolysates Viral Proteins Tritium Neuraminidase Peptide Hydrolases Lactose Uridine