TY - RPRT TI - The International Normalized Prothrombin Ratio. AU - L R Marshall AU - D J Nicol AU - J M Jackson PY - 1987 DO - 10.5694/j.1326-5377.1987.tb120350.x UR - https://pubmed.ncbi.nlm.nih.gov/3614063/ ID - 3614063 ER -