posted on 2013-02-20, 19:13authored byFeng Ding, Joon Ho Song, Ju Young Jung, Liandi Lou, Min Wang, Linda Charles, Angela Westover, Peter L. Smith, Christopher J. Pino, Deborah A. Buffington, H. David Humes
*p<0.05;
†p<0.02;
**p<0.005;
§p<0.002, as determined with paired t-test between heparin and citrate groups.