23087
Berberine attenuates bleomycin induced pulmonary toxicity and fibrosis via suppressing NF - kappa B dependant TGF - beta activation : A biphasic experimental study .
 Berberine, bleomycin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 Berberine, bleomycin