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Defects in superoxide and hydrogen peroxide production may be implicated in the high incidence of bacterial infections in patients with acute liver failure ( ALF ) .
 Chemical: superoxide; Chemical: hydrogen peroxide; Disease: bacterial infections; Disease: acute liver failure; Disease: ALF
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: superoxide; Chemical: hydrogen peroxide; Disease: bacterial infections; Disease: acute liver failure; Disease: ALF