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:  Data from this study suggest that there may be a time - dependent relationship between dexamethasone immunosuppression and the fecal concentration of E . coli O157 but that transient immunosuppression does not appear to prolong shedding of E . coli O157 .

A: fecal
****
Q:  These new recommendations and revelations open the door for local antimicrobial approaches to reduce the challenge of plaque - induced bacteremias .

A:
plaque
****