normalized inr international ratio uln coagulation anticoagulation warfarin anticoagulants blood 
anticoagulation therapeutic applies inr aptt normalized ratio thromboplastin activated international 
time aptt thromboplastin activated partial inr normalized ratio prothrombin international 
prothrombin inr normalized pt ratio international time uln normal seconds 
time inr ptt thromboplastin normalized partial ratio international prothrombin pt 
inr warfarin heparin normalized ratio international stable ptt time thromboplastin