4716
In accordance with these results , neutrophils from patients with chronic granulomatous disease , a hereditary disease in which neutrophils show a reduced capacity to form superoxide radicals , exhibited a lower down - regulation of L - selectin ( IC50 : 15 . 3 mu g / ml ) compared to normal controls ( IC50 : 5 . 6 mu g / ml ) in response to diclofenac .
 Chemical: superoxide; Chemical: diclofenac
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: superoxide; Chemical: diclofenac