
Hepatitis A virus was purified from on early acute phase human stool by a procedure using 10% polyethylene glycol precipitation, sepharose 2B gel filtration, isopycnic banding in cesium chloride, rate zonal separation in sucrose - 99,5% of the 280 nm absorbing fecal impurities were removed.
Feces, Microscopy, Electron, Centrifugation, Density Gradient, Humans, Hepatovirus
Feces, Microscopy, Electron, Centrifugation, Density Gradient, Humans, Hepatovirus
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