Source: National Library of Medicine – 
Related MedlinePlus Pages: Bleeding Disorders, Blood Clots, Blood Thinners, Hemophilia
from New Links on MedlinePlus https://medlineplus.gov/lab-tests/prothrombin-time-test-and-inr-ptinr/
Prothrombin Time Test and INR (PT/INR) (Health Tips & Reviews)
Health & Wellness Tips Guide 