Gauging the accuracy of laboratory testing from Medicare data.
Seeger
B
B
D000925:Anticoagulants / Q000592:standards*; D006801:Humans; D007753:Laboratories / Q000592:standards; D006278:Medicare / Q000706:statistics & numerical data; D011517:Prothrombin Time; D011786:Quality Control; D014481:United States
D000925:Anticoagulants