EFLM Biological Varation Database : BIVAC Minimum Data Set for Rosenson RS, Tangney CC, Hafner JM, 1994, Arterioscler Thromb Vasc Biol, 14, 1928-32 , Intraindividual variability of fibrinogen levels and cardiovascular risk profile <br> <a href=''></a> EFLM Biological Variation