title: Indirect Fluorescent Antibody (IFA) Assay.
authors.affiliation: Research Animal Diagnostic and Investigative Laboratory, Department of Veterinary Pathobiology, University of Missouri, Columbia.
authors.forename: Lon V.
authors.initials: LV
authors.lastname: Kendall
authors.forename: Earl K.
authors.initials: EK
authors.lastname: Steffen
authors.forename: Lela K.
authors.initials: LK
authors.lastname: Riley