TY - GEN AU - DILLENBERG,H O AU - ACKER,M S AU - RAMSAY,J D TI - Incidence of symptoms following feeding of oral poliovirus vaccine and a placebo SN - 0008-4263 PY - 1998///1101 KW - Humans KW - Incidence KW - Poliovirus KW - Poliovirus Vaccine, Oral N1 - Publication Type: Journal Article ER -