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:  For example , they were higher than mean TEQs of 18 . 4 pg TEQ / g lipid in adults ( 40 . 6 years old average ) from South Germany [ 27 ] or 16 . 4 pg TEQ / g lipid from 20 year old Japanese women [ 28 ] or pooled samples from randomly selected males and females 18 - 69 years of age from the Spanish city of Mataro [ 29 ] , which were 12 . 5 and 14 . 7 pg TEQ / g lipid respectively .

A: samples
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Q:  As expected , serum PCBs , specifically PCB 118 , were strongly associated with both sum of dioxin - like compounds and sum of dioxin TEQs .

A: serum
****
Q:  The glycosylated protein levels ( GSP ) correlated well with fasting blood sugar levels and glycosylated albumin level ( G - ALB ) determined by affinity chromatography with Blue Sepharose CL6B .

A:
blood
****