[VIROLOGICAL RESEARCH ON THE CASES OF POLIOMYELITIS REPORTED IN BELGIUM DURING THE YEARS 1961-1962].
D001530:Belgium; D030015:Enterovirus C, Human; D004813:Epidemiology; D006801:Humans; D011051:Poliomyelitis; D017955:Poliovirus; D023321:Poliovirus Vaccines; D012106:Research
D023321:Poliovirus Vaccines
BELGIUM; EPIDEMIOLOGY; POLIOMYELITIS; POLIOVIRUS; POLIOVIRUS VACCINE