TY - RPRT TI - More on premetrologic variation. AU - NĂºria Monge-Azemar AU - Xavier Fuentes-Arderiu PY - 2004 DO - 10.1373/clinchem.2004.039438 UR - https://pubmed.ncbi.nlm.nih.gov/15563499/ ID - 15563499 ER -