3815
As a variety of chemicals are able to exacerbate CPN , there is a potential for those exacerbating the severity up to and including end - stage kidney to cause a marginal increase in RTT and their precursor lesions .
 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