title: Investigation of some possibilities of producing type 3 vaccine poliovirus with greater genetic stability. I. Preliminary experiments with passage variants.
mesh_terms: D000818:Animals; D003470:Culture Media / Q000494:pharmacology; D046508:Culture Techniques; D003553:Cystine / Q000494:pharmacology; D005827:Genetics, Microbial; D000882:Haplorhini; D017955:Poliovirus / Q000472:pathogenicity; D011054:Poliovirus Vaccine, Inactivated; D013696:Temperature; D014774:Virulence; D014776:Virus Cultivation
chemical_list: D003470:Culture Media; D011054:Poliovirus Vaccine, Inactivated; D003553:Cystine