PT and INR Blood Test (Bleeding Test): References

Bleeding disorders. Patient. https://patient.info/doctor/bleeding-disorders. Updated February 28, 2017. Accessed June 2017.

Prothrombin time and international normalized ratio. Lab Tests Online. https://labtestsonline.org/understanding/analytes/pt/. Updated October 29, 2015. Accessed June 2017.

Prothrombin time (PT) and INR. Health Navigator. https://www.healthnavigator.org.nz/health-a-z/p/prothrombin-time-pt-test-inr/. Updated June 21, 2017. Accessed June 2017.