TY - GEN AU - Karzon,D T TI - The future roles of oral polio vaccine and enhanced potency inactivated polio vaccine SN - 0891-3668 PY - 1992///0214 KW - Forecasting KW - Humans KW - Poliomyelitis KW - prevention & control KW - Poliovirus Vaccine, Inactivated KW - Poliovirus Vaccine, Oral N1 - Publication Type: Journal Article UR - https://doi.org/10.1097/00006454-199112000-00027 ER -