Antigenicity and stability on storage of Salk type vaccines produced in Hungary and abroad.
D006814:Hungary; D011051:Poliomyelitis / Q000276:immunology*; D011054:Poliovirus Vaccine, Inactivated; D014612:Vaccines
D011054:Poliovirus Vaccine, Inactivated; D014612:Vaccines
POLIOMYELITIS/immunology; VACCINES