(NpOLIOMIELIT (B/s - (NnOWOVILOW(B, (NdMITRIJ nOWOVILOWs ((NlENINGRAD (B:s (NmEDGIZ(B,s, 1962)
Keywords: (NnERWNYE BOLEZNIs -- (NpOLIOMIELITs