Electron microscopy of purified influenza virus neuraminidase.
D002499:Centrifugation, Density Gradient; D008854:Microscopy, Electron; D009439:Neuraminidase / Q000302:isolation & purification*; D009975:Orthomyxoviridae / Q000201:enzymology*; D013395:Sucrose
D013395:Sucrose; D009439:Neuraminidase