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Digoxin was the only other medication associated with an increased risk of pacemaker insertion ( OR : 1 . 78 , 95 % CI : 1 . 37 to 2 . 31 ) .
 Chemical: Digoxin
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: Digoxin