RT Journal Article SR Electronic T1 Direct Thrombin Inhibitors JF American Society for Clinical Laboratory Science JO Clin Lab Sci FD American Society of Chemistry and Laboratory Science SP 118 OP 123 DO 10.29074/ascls.17.2.118 VO 17 IS 2 A1 Fritsma, George A YR 2004 UL http://hwmaint.clsjournal.ascls.org/content/17/2/118.abstract AB