ISOLATION OF INFLUENZA VIRUS FROM ALLANTOIC FLUID  BY MEANS OF CHROMATOGRAPHY ON HYDROXYLAPATITE.
D002845:Chromatography; D017886:Durapatite; D005321:Extraembryonic Membranes; D006801:Humans; D009975:Orthomyxoviridae; D046509:Tissue Culture Techniques; D014776:Virus Cultivation
D017886:Durapatite
CHROMATOGRAPHY; FETAL MEMBRANES; INFLUENZA VIRUSES; TISSUE CULTURE; VIRUS CULTIVATION