Comparative Evaluation of the Performance of Different Thromboplastin Reagents on Prothrombin Time and Factorial Assays in Situations of Isolated Extrinsic Pathway Factor Deficiency or Liver Damage.

Primary purpose : Compare the sensitivity of several thromboplastin reagents of various origins to prothrombin time and factor II, V, VII and X assays in two different populations of patients : * Pa...