title: European concerted action on anticoagulation (ECAA).
authors.forename: L
authors.initials: L
authors.lastname: Poller
mesh_terms: D000925:Anticoagulants / Q000008:administration & dosage* / Q000494:pharmacology; D001780:Blood Coagulation Tests / Q000592:standards; D001793:Blood Preservation; D002138:Calibration; D005062:European Union; D005612:Freeze Drying; D006801:Humans; D011517:Prothrombin Time; D013925:Thromboplastin / Q000302:isolation & purification / Q000592:standards*; D014944:World Health Organization
chemical_list: D000925:Anticoagulants; D013925:Thromboplastin