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This study was designed to evaluate the effects of pilocarpine and explore the underlying ionic mechanism , using both aconitine - induced rat and ouabain - induced guinea pig arrhythmia models .
 Chemical: pilocarpine; Chemical: aconitine; Chemical: ouabain; Disease: arrhythmia
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: pilocarpine; Chemical: aconitine; Chemical: ouabain; Disease: arrhythmia