2WHO Expert Committee on Biological Standarization 33red Report, WHO,Technical Series 687. 1983:81 - 105.
3Loeliger EA. ICSH/ICTH recommendations for reporting prothrombin time in oral anticoagulant control[ J ]. Thromb haemost, 1985,53:155 - 156.
4Poller L. A simple nomogram for the derivation of international normalized ratios for the shandardisation of prothombin times [ J ] . Thromb Haemost, 1998,60 ( 1 ) : 18 - 20.
5Douglas A, Triplett, John Brandt. International normalized ratios has their time come[ J]. Arch Pathol Lab Med, 1993,117 (6) :590 - 592.
7compbell BG.Evaluation of two types of"medically significant error limits "and two quality control Bocedures on a multichannel analyzer[J].Arch Pathol lab med,1989,113:934-937.
