TY  - GEN
AU  - Hull,H F
AU  - Lee,J W
TI  - Sabin, Salk, or sequential?
SN  - 0140-6736
PY  - 1996///0417
KW  - Humans
KW  - Immunization Programs
KW  - Immunization Schedule
KW  - Poliomyelitis
KW  - prevention & control
KW  - Poliovirus Vaccine, Inactivated
KW  - Poliovirus Vaccine, Oral
KW  - United States
KW  - United States Public Health Service
KW  - World Health Organization
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1016/s0140-6736(96)91194-0
ER  -