2060
In light of the above it would be prudent to target systemic and local oxidative stress with agents that can modulate the antioxidants / redox system or by boosting the endogenous levels of antioxidants for the treatment and management of COPD .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None