Collection, Transport, and Processing of Blood Specimens for Testing Plasma-Based Coagulation Assays and Molecular Hemostasis Assays; Approved Guideline—Fifth Edition - Adcock, D M; Hoefner, D M; Kottke-Marchant, K; Marlar, R A; Szamosi, D I; Warunek, D J (Clinical Laboratory Standards Institute, 2008)
. CLSI document H21–A5