13000
The effect of selenium compounds on extracellular redox modulating capacity was studied in murine macrophage RAW 264 . 7 cells and differentiated human THP - 1 monocytes .
 Chemical: selenium
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: selenium