28273
EA ( 15mg / kgb . w . , p . o . x 14days ) treatment modulated enhanced hydroxyproline level , lipid peroxidation , myeloperoxidase activity , nitric oxide production and protein carbonyl formation in lungs of rats exposed to toxic anticancer drugs .
 hydroxyproline, nitric oxide, carbonyl
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 hydroxyproline, nitric oxide, carbonyl