Figure 5

Coagulation time of different heparinized DLSs.
(A) prothrombin time (PT), (B) thrombin time (TT) and (C) activated partial thromboplastin time (APTT) values of control and alternately heparinized DLSs; values are expressed as means ± SD, n = 3. *p < 0.05, **p < 0.001 vs. the control group.