Nov. 30, 2022
  1. Prothrombin time and international normalized ratio (PT/INR). Lab Tests Online. https://www.testing.com/tests/prothrombin-time-and-international-normalized-ratio-ptinr/. Accessed Nov. 3, 2022.
  2. Feldman M, et al., eds. Liver chemistry and function tests. In: Sleisenger and Fordtran's Gastrointestinal and Liver Disease: Pathophysiology, Diagnosis, Management. 11th ed. Elsevier; 2021.https://www.clinicalkey.com. Accessed Oct. 15, 2020.
  3. Gropper MA. Patient blood management: Coagulation. In: Miller's Anesthesia. 9th ed. Elsevier; 2020. https://www.clinicalkey.com. Accessed Oct. 15, 2020.
  4. Mayo Clinic Laboratories. Prothrombin time (PT). https://www.mayocliniclabs.com/test-catalog/overview/602171#Clinical-and-Interpretive. Accessed Nov. 3, 2022.
  5. Excessive bleeding. Merck Manual Professional Version. https://www.merckmanuals.com/professional/hematology-and-oncology/hemostasis/excessive-bleeding. Accessed Nov. 3, 2022.

Prothrombin time test