TY  - GEN
AU  - OLIN,G
AU  - MELEN,B
TI  - [Vaccination against poliomyelitis]
PY  - 2002///0501
KW  - Biomedical Research
KW  - Poliomyelitis
KW  - prevention & control
KW  - Vaccination
N1  - Publication Type: Journal Article
ER  -