TY - GEN AU - GELFAND,H M AU - POTASH,L AU - LEBLANC,D R AU - FOX,J P TI - Intrafamilial and interfamilial spread of living vaccine strains of polioviruses SN - 0002-9955 PY - 2000///0701 KW - Humans KW - Life KW - Poliomyelitis KW - transmission KW - Poliovirus KW - Vaccines N1 - Publication Type: Journal Article UR - https://doi.org/10.1001/jama.1959.03010170001001 ER -