TY - RPRT TI - Commutability assessment of potential reference materials using a multicenter split-patient-sample between-field-methods (twin-study) design: study within the framework of the Dutch project "Calibration 2000". AU - Henk Baadenhuijsen AU - Herman Steigstra AU - Christa Cobbaert AU - Aldy Kuypers AU - Cas Weykamp AU - Rob Jansen PY - 2002 UR - https://pubmed.ncbi.nlm.nih.gov/12194929/ ID - 12194929 ER -