1.
Testa S, Morstabilini G, Fattorini A, Galli L, Denti N, D’Angelo A. Discrepant sensitivity of thromboplastin reagents to clotting factor levels explored by the prothrombin time in patients on stable oral anticoagulant treatment: impact on the international normalized ratio system. Haematologica 2002; 87(12):1265-1273.