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Acetaminophen ( APAP ) overdose is a classical model of hepatocellular necrosis ; however , the involvement of the Fas receptor in the pathophysiology remains controversial .
 Chemical: Acetaminophen; Chemical: APAP
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: Acetaminophen; Chemical: APAP