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AIMS AND METHODS : We compared the severity of pretransplant illness , psychiatric co - morbidity , medical and psychosocial outcomes of all patients who had undergone liver transplantation ( LT ) emergently between 1999 - 2004 for acetaminophen - induced ALF ( n = 36 ) with age - and sex - matched patients undergoing emergent LT for non - acetaminophen - induced ALF ( n = 35 ) and elective LT for chronic liver disease ( CLD , n = 34 ) .
 Chemical: acetaminophen; Disease: ALF; Chemical: acetaminophen; Disease: ALF; Disease: chronic liver disease; Disease: CLD
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: acetaminophen; Disease: ALF; Chemical: acetaminophen; Disease: ALF; Disease: chronic liver disease; Disease: CLD