The need for a standardised cell substrate for virus vaccine production.
D002460:Cell Line; D002869:Chromosome Aberrations; D003470:Culture Media; D046508:Culture Techniques / Q000592:standards*; D005333:Fetus; D005615:Freezing; D006801:Humans; D007621:Karyotyping; D008168:Lung; D009858:Oncogenic Viruses; D011123:Polyploidy; D013045:Species Specificity; D014765:Viral Vaccines / Q000592:standards*; D014776:Virus Cultivation
D003470:Culture Media; D014765:Viral Vaccines