title: Agreement between observers: its measure on a quantitative scale.
authors.affiliation: Institute of Medical Statistics and Biometry, Universita degli Studi di Milano, Milan, Italy.
authors.forename: E
authors.initials: E
authors.lastname: Marubini
authors.forename: S
authors.initials: S
authors.lastname: Pizzamiglio
authors.forename: P
authors.initials: P
authors.lastname: Verderio
mesh_terms: D006801:Humans; D007753:Laboratories / Q000592:standards; D019370:Observation / Q000379:methods*; D015203:Reproducibility of Results; D042461:Vascular Endothelial Growth Factor A / Q000097:blood
chemical_list: D042461:Vascular Endothelial Growth Factor A