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.

[Q]:  Lactotransferrin inhibits ADP - induced platelet aggregation at concentrations down to 5 nM , which can be reached in the plasma after leukocyte degranulation .
[A]: plasma


[Q]:  No blood flow signal was observed in the masses of 13 cases ( 3 of metastatic adenocarcinoma , 5 of adenoma , 5 of polypus ) .
[A]: blood


[Q]:  Precautions against NH2 - terminal blocking during sample preparations are provided .
[A]:
sample