TY  - GEN
AU  - HARDING,H B
AU  - SCHMIDT,N
AU  - HARDING,E B
TI  - What are the poliomyelitis viruses?
PY  - 2004///0215
KW  - Humans
KW  - Poliomyelitis
KW  - Poliovirus
N1  - Publication Type: Journal Article
ER  -