TY  - GEN
AU  - SAMPAIO,A
TI  - [Immunization in poliomyelitis]
PY  - 2003///0501
KW  - Biomedical Research
KW  - Immunization
KW  - Poliomyelitis
KW  - prevention & control
KW  - Vaccination
KW  - Vaccines
N1  - Publication Type: Journal Article
ER  -