In Special Issue 6 of 2016 F.J.L.M. Haas (1); J. Ruinemans–Koerts (2) and B. Verbruggen (3) (1ISO 15189/17025/17043 auditor, The Netherlands, 2Rijnstate Hospital, Arnhem, The Netherlands, 3Hemostad, nijmegen, The Netherlands) described Comparison of two statistical software programs for determining reference intervals of screening coagulation assays
