title: Invalid equation for conversion of indirect hemagglutination titers to international units.
authors.forename: J
authors.initials: J
authors.lastname: Wilkins
authors.forename: P F
authors.initials: PF
authors.lastname: Wehrle
mesh_terms: D006386:Hemagglutination Tests; D006801:Humans; D007394:International System of Units; D008433:Mathematics; D014894:Weights and Measures