Question: Why Is Complete Clotting Of Blood (within 30 Mins) In The Preparation Of Serum Necessary In Blood Banking Tests?

Question: Why Is Complete Clotting Of Blood (within 30 Mins) In The Preparation Of Serum Necessary In Blood Banking Tests?

Why is complete clotting of blood (within 30 mins) in thepreparation of serum necessary in blood banking tests?