008390000a22001570004500003000900000005001700009110009300026245017700119020001800296264005800314490008300372300000700455041000800462650004000470246017100510PH-MaWHO20241108112419.0  aWorld Health Organization. Study Group on Requirements for Poliomyelitis Vaccine (Oral).  aNormes pour les substances biologiques : 7. Normes relatives au vaccin antipoliomyTlitique (buccal, rapport d' un groupe d' Ttude [rTuni a GenFve du 7 au 12 novembre 1960].  a92-4-220237-1  aGenFve : bOrganisation mondiale de la SantT, c1962.  a(Organisation mondiale de la SantT. STrie de rapports techniques ; no. 237).    a31  afre  aPoliovirus vaccine, OralxStandards 1aRequirements for biological substances : 7. Requirements for poliomyelitis vaccine (oral, report of a study group [meeting held in Geneva from 7 to 12 November 1960].