TY - GEN AU - POLLARD,M TI - Failure to propagate human poliomyelitis virus in developing avian embryos SN - 0040-4675 PY - 2007///1227 KW - Animals KW - Birds KW - Poliomyelitis KW - Poliovirus KW - Reproduction KW - Viruses N1 - Publication Type: Journal Article ER -