000 00661nam a2200193Ia 4500
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035 _a1426
041 _aENG
082 _a615.371
100 _aPan American Health Organization
245 0 _aFirst international conference on live poliovirus vaccines
_bScience publication No - 44
260 _aWashington
_bPan American Health Organization
_c1959
300 _axiv+712
505 _aPoliomyelitis, Poliovirus vaccines, Immunization, Virology, International conference
650 _aVirology
_bPharmacology -- Therapeutics
700 _aWorld Health Organization
942 _cBK
999 _c1426
_d1426