title: Comparison of virus titre results obtained in four different laboratories using different virus assay techniques.
authors.forename: E E
authors.initials: EE
authors.lastname: Hahn
authors.forename: G
authors.initials: G
authors.lastname: Giacometti
authors.forename: F T
authors.initials: FT
authors.lastname: Perkins
authors.forename: D I
authors.initials: DI
authors.lastname: Magrath
authors.forename: C F
authors.initials: CF
authors.lastname: Fleury
authors.forename: F L
authors.initials: FL
authors.lastname: Petrilli
authors.forename: P
authors.initials: P
authors.lastname: Crovari
mesh_terms: D014773:Virology / Q000379:methods*; D014780:Viruses / Q000302:isolation & purification*