TY - GEN AU - Lang,G AU - Howell,J AU - Ferguson,A E TI - The occurrence of serotype 4 of avian influenza A virus in Canadian poultry SN - 0008-5286 PY - 1972///0602 KW - Animals KW - Canada KW - Ducks KW - Influenza A virus KW - classification KW - Influenza in Birds KW - epidemiology KW - Turkeys N1 - Publication Type: Journal Article ER -