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:
 Allergen and particle dose - response experiments in BALB / cA and NIH mice Levels of serum OVA - specific IgE ( A , D ) , IgG1 ( B , E ) and IgG2a ( C , F ) on day 26 after injection into one hind footpad of 100 ( open columns ) , 50 ( gray ) or 10 ( black ) mug OVA combined with 100 , 40 , 10 or 0 mug PSP , or buffer ( HBSS ( hatched ) ) , in BALB / cA ( A , B , C ) and NIH ( D , E , F ) mice .
answer:
serum


question:
 QTcF interval versus plasma linezolid concentrations .
answer:
plasma


question:
 Perhaps the increasing use of hybrid methodologies to concentrate adducts followed by specific chemical analyses will allow such adducts to be monitored more precisely .
answer:

concentrate