TY - GEN AU - BONIFAS,V TI - [Strains of poliomyelitis viruses isolated in French Switzerland in 1955] SN - 0369-8394 PY - 2003///0501 KW - Ethnicity KW - Humans KW - Language KW - Poliomyelitis KW - Poliovirus KW - Sprains and Strains KW - Switzerland N1 - Publication Type: Journal Article ER -