[EPIDEMIOLOGICAL OBSERVATIONS ON THE COURSE OF POLIOMYELITIS IN THE NORTHEASTERN SECTION OF THE GERMAN DEMOCRATIC REPUBLIC FROM 1955 TO 1962].
D002648:Child; D004813:Epidemiology; D005858:Germany; D005859:Germany, East; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D011051:Poliomyelitis; D011055:Poliovirus Vaccine, Oral
D011055:Poliovirus Vaccine, Oral
CHILD; EPIDEMIOLOGY; GERMANY, EAST; INFANT; INFANT, NEWBORN; POLIOMYELITIS; POLIOVIRUS VACCINE, ORAL
EPIDEMIOLOGISCHE BETRACHTUNGEN ZUM ABLAUF DER KINDERLAEHMUNG IM NORDOSTEN DER DDR 1955 BIS 1962.