TY - GEN AU - NAGLER,F P AU - ARMSTRONG,R E AU - FRENCH,R C TI - Some observations on tissue-culture safety testing of Salk polio vaccines SN - 0042-9686 PY - 2000///0701 KW - Poliomyelitis KW - immunology KW - Poliovirus Vaccine, Inactivated KW - Research Design KW - Safety N1 - Publication Type: Journal Article ER -