title: Discrepancy of the international normalized ratio observed in the external quality assessment survey: a cause for concern.
authors.affiliation: Angelo Bianchi Bonomi Hemophilia and Thrombosis Center, Department of Internal Medicine, Università degli Studi di Milano and IRCCS Cà Granda Ospedale Maggiore Foundation, Milan; Italy.
authors.forename: A
authors.initials: A
authors.lastname: Tripodi
authors.forename: V
authors.initials: V
authors.lastname: Chantarangkul
authors.forename: C
authors.initials: C
authors.lastname: Legnani
authors.forename: R
authors.initials: R
authors.lastname: Fronton
authors.forename: S
authors.initials: S
authors.lastname: Testa
mesh_terms: D001777:Blood Coagulation; D002138:Calibration; D005612:Freeze Drying; D019538:Health Care Surveys; D006801:Humans; D019934:International Normalized Ratio / Q000295:instrumentation / Q000592:standards; D007558:Italy; D007753:Laboratories / Q000592:standards*; D010949:Plasma; D011787:Quality of Health Care; D013925:Thromboplastin / Q000032:analysis
chemical_list: D013925:Thromboplastin