TY - GEN AU - GIRAUD,P AU - ORSINI,A AU - LOUCHET,E TI - [Epidemiology of poliomyelitis in the Marseille region during the past six years] SN - 0031-4021 PY - 2003///0501 KW - Poliomyelitis KW - epidemiology N1 - Publication Type: Journal Article ER -