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Among the subjects treated with methadone , 28 % men and 32 % women had prolonged QTc interval .
 Chemical: methadone; Disease: prolonged QTc interval
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: methadone; Disease: prolonged QTc interval