TY - GEN AU - Smith,P L TI - A poultry flock health certification program in a VVND quarantine area -- a proposal SN - 0082-8750 PY - 1979///0725 KW - Animals KW - Industry KW - Legislation, Veterinary KW - Newcastle Disease KW - prevention & control KW - Quarantine KW - Turkeys N1 - Publication Type: Journal Article ER -