TY - GEN AU - van den Besselaar,A M TI - Monitoring oral anticoagulant therapy by the prothrombin time: reporting the coagulation activity or the international normalized ratio? SN - 0301-0147 PY - 1994///1229 KW - Administration, Oral KW - Anticoagulants KW - administration & dosage KW - Calibration KW - Humans KW - Prothrombin Time KW - Reference Standards N1 - Publication Type: Comment; Editorial UR - https://doi.org/10.1159/000217073 ER -