Usefulness of the direct fluorescent antibody technique for diagnosis of influenza in swine.
D000818:Animals; D005455:Fluorescent Antibody Technique; D009980:Influenza A virus; D009976:Orthomyxoviridae Infections / Q000175:diagnosis / Q000662:veterinary*; D013552:Swine; D013553:Swine Diseases / Q000175:diagnosis*