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.

For the 30 cases of benign lesions of the GB , only in 12 cases was a low velocity blood flow signal found .
blood

There was no association between the distance of the residence from the Khimprom plant during the pregnancy and subsequent serum dioxin levels .
serum

A wide range of binding ( 5 . 9 to 130 pmole / ml plasma ) was observed , and significant elevations were found for patients having breast cancer ( 21 . 2 + / - 1 . 9 , P less than 0 . 05 ) and melanoma ( 25 . 7 + / - 1 . 9 , P less than 0 . 001 ) compared to controls ( 15 . 5 + / - 1 . 9 ) .
plasma