Guidelines on preparation, calibration and use of calibrated plasmas for ISI and INR determination - Barrowcliffe, TW; van den Besselaar, AMHP; Houbouyan, LL; Jespersen, J; Johnston, M; Poller, L; Taberner, DA (ISTH Subcommittee on control of anticoagulation, 2000)
Maastricht.