title: Status of present and candidate international reference preparations (IRP) of thromboplastin for the prothrombin time. A report of the Subcommittee for Control of Anticoagulation.
authors.forename: A M
authors.initials: AM
authors.lastname: van den Besselaar
authors.forename: S M
authors.initials: SM
authors.lastname: Lewis
authors.forename: P M
authors.initials: PM
authors.lastname: Mannucci
authors.forename: L
authors.initials: L
authors.lastname: Poller
mesh_terms: D006801:Humans; D011517:Prothrombin Time; D012015:Reference Standards; D013925:Thromboplastin / Q000592:standards*
chemical_list: D013925:Thromboplastin