29735
Basic evidence for epidermal H2O2 / ONOO ( - ) - mediated oxidation / nitration in segmental vitiligo is supported by repigmentation of skin and eyelashes after reduction of epidermal H2O2 with topical NB - UVB - activated pseudocatalase PC - KUS .
 Chemical: H2O2; Chemical: ONOO ( - ); Chemical: H2O2
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: H2O2; Chemical: ONOO ( - ); Chemical: H2O2