Click on image to view larger version.

Figure 2 In vitro dose-response of the activated clotting time (ACT) as a function of increasing concentration of anticoagulant in whole blood. Samples were derived from healthy volunteers (n = 10) and aliquots (n = 200) were treated with increasing doses of either unfractionated heparin (UFH) (circles) or dalteparin (squares). Data presented as mean ± SD.