title: A chromatographic procedure for the purification of influenza virus.
mesh_terms: D002130:Calcium Phosphates; D002845:Chromatography; D002850:Chromatography, Gel; D006385:Hemagglutination Inhibition Tests; D006386:Hemagglutination Tests; D006863:Hydrogen-Ion Concentration; D009975:Orthomyxoviridae / Q000302:isolation & purification*
chemical_list: D002130:Calcium Phosphates