some of the disadvantages of plasma over serum are the ( unknown ) influence of the anticoagulant on the assay , on the protein binding and on the stability of the sample , the ( unknown ) influence of additives or impurities in the anticoagulants on the assay and on the concentration , the risk of the formation of small clots and dilution of the sample .
C0032105
plasma
C0229671
serum