instruction:
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.
question:
 In contrast , the 3 cases of metastatic cancer of the GB had no blood flow signal in the wall of the GB .
answer:
blood


question:
 A simple method was developed for estimating serum glycosylated protein levels using gel filtration with Bio - Gel P6 by determining the protein and sugar content in the void volume fraction .
answer:
serum


question:
 Portal venous blood draining into the liver from the intra - abdominal abscess had increased levels of TNF - alpha , IL - 1beta , and IL - 6 in both sterile and septic groups compared with a control normal animal group .
answer:

blood