TASK DEFINITION: In this task, you are given a sentence. You are expected to write the name of the organism substances in the body mentioned in the input. Although there might be several correct answers, you need to write one of them.
PROBLEM:  Chronic rubella viremia has been detected in peripheral blood mononuclear cell ( MNC ) populations in five of the six women up to six years after vaccination .

SOLUTION: blood

PROBLEM:  Measurement of serum glycosylated proteins and glycosylated low density lipoprotein fraction in diabetes mellitus .

SOLUTION: serum

PROBLEM:  The proteins responsible for a majority of the higher binding were identified as immunoglobulins , based on their elution from gel filtration columns and the removal of 57 - 88 % of the non - albumin binding by treating of plasma with Protein A - agarose .

SOLUTION:
plasma