(NnOWYE USPEHI W BORXBE S POLIOMIELITOM (B/s - (NsOKOLOW(B, (NmIHAIL iGNATXEWI^s ((NmOSKWA (B:s (NmEDGIZ(B,s, 1960)
Keywords: (NnERWNYE BOLEZNIs; (NpOLIOMIELITs