22287
For plasma samples spiked with the isoprostanes at a level of 200 pg / mL each , the method imprecision has been below 7 . 1 % and mean inaccuracy equaled 8 . 7 % .
 Chemical: isoprostanes
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: isoprostanes