TY - GEN AU - von MAGNUS,P TI - Propagation of the PR8 strain of influenza A virus in chick embryos. II. The formation of incomplete virus following inoculation of large doses of seed virus SN - 0365-5555 PY - 2004///0215 KW - Animals KW - Chick Embryo KW - Defective Viruses KW - Influenza A virus KW - Orthomyxoviridae KW - Reproduction KW - Vaccination KW - Viruses N1 - Publication Type: Journal Article UR - https://doi.org/10.1111/j.1699-0463.1951.tb03693.x ER -